-
PSLV-XL C30 - ASTROSAT, LAPAN-A2, NLS-14, 4xLEMUR - Sept 28, 2015 (04:30 UTC)
by
vyoma
on 06 Aug, 2014 14:23
-
From
ISRO 2014 report:
ASTROSAT is a multi-wavelength astronomy mission aimed at studying the celestial sources and will carry a suite of instruments sensitive over a wide spectral region covering Visible, Ultraviolet, Soft X-ray and Hard X-ray bands. ASTROSAT will be placed in a 650 km near-equatorial orbit using PSLV-XL.
The four X-ray payloads are: Three identical Large Area Xenon-filled Proportional Counters (LAXPC) instrument covering 3-100 keV region, a Cadmium Zinc-Telluride Imager (CZTI) array with coded mask aperture sensitive in 10-100 keV band, a Soft X-ray Imaging Telescope (SXT) using X-ray reflecting mirrors, X-ray CCD for imaging and spectral studies in 0.3 – 8 keV band and a Scanning Sky Monitor (SSM) for detection and monitoring of new and known X-ray sources in 2 – 10 keV region. The UV and Visible bands are covered by an Ultra Violet Imaging Telescope (UVIT) consisting of two identical telescopes, one covering the FUV band (130 – 180 nm) and the second sensitive in NUV (180 – 300 nm) and Visible (350 – 600 nm) bands.
The spacecraft structure is ready. Various subsystems like power package, onboard computer, reaction wheels and various sensors have been integrated to the spacecraft deck and functional checks are completed. Flight Harness installation on equipment panels is also completed.
The integrated SXT payload has undergone the successful completion of all stand alone tests including vibration and thermovac. It has been delivered to the clean room for integration to the spacecraft. The Flight Models (FMs) of all the other payloads are under different stages of testing.
UVIT Payload had been subjected to acceptance level vibration test in all three axes. LAXPC flight detector vibration test was completed successfully and detector is being monitored. Thermovac tests needs to be done. Calibration of each quadrant of CZTI flight detectors with electronics is completed. All three SSM flight Detectors Bench test and Calibration tests at room temperature are completed. They are under stability monitoring before taking up for further testing activities.
ASTROSAT specs:
http://astrosat.iucaa.in/~astrosat/astrosat_handbook_ver1.2.pdfhttp://www.astro.caltech.edu/~srk/MiniSat/Presentations/astrosat_overview.pdf
-
#1
by
Ohsin
on 19 May, 2015 08:31
-
ASTROSAT crossed a major milestone – Spacecraft fully assembled and tests initiated
ASTROSAT is the first dedicated Indian astronomy mission aimed at studying distant celestial objects. The mission is capable of performing observations in Ultraviolet (UV), optical, low and high energy X-ray wavebands at the same time. The satellite is planned to be launched during the second half of 2015 by PSLV C-34 to a 650 km near equatorial orbit around the Earth. It is significant to note that ASTROSAT is the first mission to be operated as a space observatory by ISRO.
All the payloads and sub-systems are integrated to the satellite. Mechanical fit checks of the satellite with PSLV payload adaptor were performed successfully. Last week, the spacecraft was fully assembled and switched ON. Spacecraft parameters are normal, which indicates everything is functioning well. In the coming days, Spacecraft will undergo several environmental tests like Electromagnetic Interference (EMI) – Electromagnetic Compatibility (EMC), Thermal Vacuum, Vibration, Acoustic tests before shipment to Satish Dhawan Space Centre, Sriharikota.
ASTROSAT carries four X-ray payloads, one UV telescope and a charge particle monitor. Apart from ISRO, four other Indian institutions, viz., Tata Institute of Fundamental Research (TIFR), Indian Institute of Astrophysics (IIA), Inter-University Centre for Astronomy and Astrophysics (IUCAA) and Raman Research Institute (RRI) are involved in payload development. Two of the payloads are in collaboration with Canadian Space Agency (CSA) and University of Leiscester (UoL), UK.
http://www.isro.gov.in/astrosat-crossed-major-milestone-%E2%80%93-spacecraft-fully-assembled-and-tests-initiated
-
#2
by
input~2
on 20 May, 2015 09:36
-
-
#3
by
vyoma
on 30 May, 2015 04:52
-
-
#4
by
antriksh
on 22 Jun, 2015 14:05
-
-
#5
by
vyoma
on 29 Jul, 2015 10:10
-
-
#6
by
input~2
on 30 Jul, 2015 06:29
-
-
#7
by
K210
on 14 Aug, 2015 05:04
-
According to various sources launch is currently set for September 27th - October 2nd.
-
#8
by
vyoma
on 17 Aug, 2015 14:26
-
ASTROSAT transported to SDSC SHAR from ISAC:
http://www.isro.gov.in/satellite-transportation-systems-sts After celebrating 69th Independence Day, ISRO Satellite Centre (ISAC) had yet another eventful day on August 16, 2015, flagging off the nation’s prestigious and ISRO’s sought after satellite ASTROSAT, a mission for deep sky exploration. ASTROSAT was transported to the country’s spaceport at Satish Dawan Space Centre (SDSC), Sriharikota, using a specially designed Satellite Transportation System (STS).
-
#9
by
antriksh
on 21 Aug, 2015 15:21
-
-
#10
by
vyoma
on 21 Aug, 2015 15:48
-
September 28 is the tentative launch date, as per above video.
-
#11
by
input~2
on 24 Aug, 2015 06:36
-
7 piggybacked S/C are announced on this launch:
LAPAN-A2 (Indonesia)
2 x NLS (Canada)
4 x Lemur (UK)
(
source in Telugu)
-
#12
by
Skyrocket
on 24 Aug, 2015 07:10
-
7 piggybacked S/C are announced on this launch:
LAPAN-A2 (Indonesia)
2 x NLS (Canada)
4 x Lemur (UK)
(source in Telugu)
One of the Canadian NLS payloads is likely exactEarth's exactView-9 (EV9) satellite.
-
#13
by
worldtimedate
on 28 Aug, 2015 07:17
-
Quote from input~2 on: 08/24/2015 06:36 AM
7 piggybacked S/C are announced on this launch:
LAPAN-A2 (Indonesia)
2 x NLS (Canada)
4 x Lemur (UK)
Add 4 more US satellites with the above 7 piggybacked. ISRO Chairman has confirmed that US satellites will be launched with Astrosat.
To a query about the launch of satellites made in the US, Kumar said four satellites would be launched with ASTROSAT.
"US satellites will be launched with ASTROSAT. Actually, four of them (satellites). It will go next month," he said.
Source :
ISRO working with NASA to make maiden launch in 2021 - The Economic Times:
-
#14
by
Skyrocket
on 28 Aug, 2015 08:31
-
7 piggybacked S/C are announced on this launch:
LAPAN-A2 (Indonesia)
2 x NLS (Canada)
4 x Lemur (UK)
(source in Telugu)
One of the Canadian NLS payloads is likely exactEarth's exactView-9 (EV9) satellite.
exactView-9 (EV9) has been confirmed
-
#15
by
Skyrocket
on 28 Aug, 2015 08:52
-
Quote from input~2 on: 08/24/2015 06:36 AM
7 piggybacked S/C are announced on this launch:
LAPAN-A2 (Indonesia)
2 x NLS (Canada)
4 x Lemur (UK)
Add 4 more US satellites with the above 7 piggybacked. ISRO Chairman has confirmed that US satellites will be launched with Astrosat.
To a query about the launch of satellites made in the US, Kumar said four satellites would be launched with ASTROSAT.
"US satellites will be launched with ASTROSAT. Actually, four of them (satellites). It will go next month," he said.
Source :
ISRO working with NASA to make maiden launch in 2021 - The Economic Times:
--- [ --- ]
These four US satellites are likely the four Lemur satellites mentioned above. Not sure, why the Lemurs are listed as UK satellites, has likely something to do with the fact, that Spire has opened a UK office in Glasgow.
-
#16
by
vyoma
on 04 Sep, 2015 05:24
-
-
#17
by
ss1_3
on 13 Sep, 2015 17:58
-
Trending for Sep 28th launch.
Source: recent interview (slide to 20:30) with Chairman, ISRO.
-
#18
by
Ohsin
on 16 Sep, 2015 12:21
-
-
#19
by
antriksh
on 16 Sep, 2015 14:49
-
