Exposure
ID
GRAVI.2021-05-31T08:10:35.294_2
Header ID
GRAVI.2021-05-31T08:10:35.294
Date updated
2021-05-31 08:27:22 UTC+0000
Release date
2022-05-31 08:27:22 UTC+0000
UTC Start
2021-05-31 08:10:35.294
UTC End
2021-05-31 08:15:55.294
MJD Start
59365.34068627
MJD End
59365.3443899737
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.003183
Ambient temperature (°C)
10.96
Seeing (arcsec)
0.805
Observation
ID
47463
Category
science
Program ID
105.20B2.002
Program Title
THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
Program Type
GTO
PI / COI
EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
ID
35598
Name
IRS16C
RA
266.417116666667
DEC
-29.0076491944444
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 53.1110 52.8460 37.7000 38.0000
U1-U3 94.5750 93.9670 43.9000 44.2000
U1-U4 112.7280 111.3350 74.1980 74.6920
U2-U3 42.1820 41.8340 51.8000 52.2000
U2-U4 76.8590 75.8560 98.4860 99.2970
U3-U4 56.8870 56.4590 131.1160 132.1940
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20B2.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59365.34068627
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S2
RA 266.4168
DEC -29.00714
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 53.111
HIERARCH ESO ISS PBL12 END 52.846
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 94.575
HIERARCH ESO ISS PBL13 END 93.967
HIERARCH ESO ISS PBLA13 START 43.9
HIERARCH ESO ISS PBLA13 END 44.2
HIERARCH ESO ISS PBL14 START 112.728
HIERARCH ESO ISS PBL14 END 111.335
HIERARCH ESO ISS PBLA14 START 74.198
HIERARCH ESO ISS PBLA14 END 74.692
HIERARCH ESO ISS PBL23 START 42.182
HIERARCH ESO ISS PBL23 END 41.834
HIERARCH ESO ISS PBLA23 START 51.8
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 76.859
HIERARCH ESO ISS PBL24 END 75.856
HIERARCH ESO ISS PBLA24 START 98.486
HIERARCH ESO ISS PBLA24 END 99.297
HIERARCH ESO ISS PBL34 START 56.887
HIERARCH ESO ISS PBL34 END 56.459
HIERARCH ESO ISS PBLA34 START 131.116
HIERARCH ESO ISS PBLA34 END 132.194
HIERARCH ESO ISS AMBI TAU0 START 0.003329
HIERARCH ESO ISS AMBI TAU0 END 0.003037
HIERARCH ESO ISS AMBI TEMP 10.96
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.81
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1080
HIERARCH ESO FT ROBJ DELTA -290027.5371