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Breaking News :  ISRO successfully launches Astrosat along with six foreign satellites
Monday 28-September-2015, 19:51,
ISRO successfully launches Astrosat along with six foreign satellites
MUMBAI:
The
Indian
Space
Research
Organisation
(ISRO)
has
been
having
a
swell
2015.
Just
a
few
days
after
its
Mars
Orbiter
completed
a
successful
one
year
around
the
Red
planet,
ISRO
has
now
launched
its
first
dedicated
multi wavelength space observatory
along with six foreign customer
satellites.
In its 31st flight (PSLV-C30)
conducted today (28 September,
2015), India's Polar Satellite Launch
Vehicle (PSLV) successfully launched
Astrosat - multi wavelength space
observatory and six foreign customer
satellites into a 644.6 X 651.5 km
orbit inclined at an angle of 6 deg to
the equator. The achieved orbit is
very close to the intended one. This
was the thirtieth consecutive success
for PSLV.
PSLV was launched in its heaviest ‘XL’
version with six strap-on motors of
the first stage. The launch took place
from the First Launch Pad at the
Satish Dhawan Space Centre SHAR
(SDSC SHAR), Sriharikota, the
spaceport of India.
The 320 tonne, 45 m tall PSLV-C30
carrying seven satellites including the
1513 kg Astrosat, lifted off at 10:00
Hrs IST. About 22 minutes after lift-
off, Astrosat was successfully placed
in orbit and separated from the fourth
stage of PSLV-C30. The separation of
all the six co-passenger satellites
was completed in the subsequent three
minutes. The seven satellites carried
by PSLV-C30 together weighed about
1631 kg at lift-off.
After a 50 hour smooth count down,
the 320 ton PSLV-C28 was launched
with the ignition of its first stage.
The important flight events included
the ignition and separation of the
strap-ons, separation of the first
stage, ignition of the second stage,
separation of the payload fairing
after the vehicle had cleared the
dense atmosphere, second stage
separation, third stage ignition and
third stage separation, fourth stage
ignition and fourth stage cut-off.
Through 30 successful flights during
1994-2015 period, PSLV has launched
a total of 84 satellites including the
seven satellites successfully launched
today. The vehicle has repeatedly
proved its reliability and versatility by
successfully launching satellites into
a variety of orbits including polar Sun
Synchronous, Geosynchronous
Transfer and Low Earth orbits of small
inclination thereby emerging as the
workhorse launch vehicle of India.
So far, 51 satellites have been
launched by PSLV for customers from
abroad. Today’s launch of six co-
passenger satellites by PSLV-C30 was
facilitated by Antrix Corporation
Limited, the commercial arm of ISRO,
a government of India Company under
the Department of Space (DOS).
Soon after its separation from PSLV-
C30, the two solar arrays of Astrosat
were automatically deployed and the
Spacecraft Control Centre at the
Mission Operations Complex of ISRO
Telemetry, Tracking and Command
Network (ISTRAC) at Bangalore took
control of Astrosat.
Astrosat is India’s first dedicated
multi wavelength space observatory.
This scientific satellite mission
endeavours for a more detailed
understanding of our universe.
Astrosat is designed to observe the
universe in the Visible, Ultraviolet,
low and high energy X-ray regions of
the electromagnetic spectrum
simultaneously with the help of its
five payloads.
Astrosat was realised by ISRO with
the participation of all major
astronomy institutions including Inter
University Centre for Astronomy and
Astrophysics (IUCAA) of Pune, Tata
Institute of Fundamental Research
(TIFR) at Mumbai, Indian Institute of
Astrophysics (IIAP) and Raman
Research Institute (RRI) of Bangalore
as well as some of the Universities in
India and two institutions from
Canada and the UK.
In the coming days, Astrosat will be
brought to the final operational
configuration and all its five
scientific payloads will be thoroughly
tested before the commencement of
regular operations.
http://www.indiantelevision.com/satellit...tes-150928
ANIL G
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