Exposure
ID
GRAVI.2021-05-30T06:27:50.478_2
Header ID
GRAVI.2021-05-30T06:27:50.478
Date updated
2021-05-30 06:45:44 UTC+0000
Release date
2022-05-30 06:45:44 UTC+0000
UTC Start
2021-05-30 06:27:50.478
UTC End
2021-05-30 06:33:10.478
MJD Start
59364.26933424
MJD End
59364.2730379437
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.006125
Ambient temperature (°C)
10.28
Seeing (arcsec)
0.51
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 56.1250 56.0470 29.3000 29.8000
U1-U3 101.5530 101.3730 35.7000 36.2000
U1-U4 128.8810 128.4910 63.9790 64.5870
U2-U3 46.1990 46.0970 43.4000 44.0000
U2-U4 88.6790 88.4070 85.0880 85.7650
U3-U4 62.2590 62.1450 114.6370 115.3770
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 59364.26933424
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S2
RA 266.41672
DEC -29.00717
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 56.125
HIERARCH ESO ISS PBL12 END 56.047
HIERARCH ESO ISS PBLA12 START 29.3
HIERARCH ESO ISS PBLA12 END 29.8
HIERARCH ESO ISS PBL13 START 101.553
HIERARCH ESO ISS PBL13 END 101.373
HIERARCH ESO ISS PBLA13 START 35.7
HIERARCH ESO ISS PBLA13 END 36.2
HIERARCH ESO ISS PBL14 START 128.881
HIERARCH ESO ISS PBL14 END 128.491
HIERARCH ESO ISS PBLA14 START 63.979
HIERARCH ESO ISS PBLA14 END 64.587
HIERARCH ESO ISS PBL23 START 46.199
HIERARCH ESO ISS PBL23 END 46.097
HIERARCH ESO ISS PBLA23 START 43.4
HIERARCH ESO ISS PBLA23 END 44.0
HIERARCH ESO ISS PBL24 START 88.679
HIERARCH ESO ISS PBL24 END 88.407
HIERARCH ESO ISS PBLA24 START 85.088
HIERARCH ESO ISS PBLA24 END 85.765
HIERARCH ESO ISS PBL34 START 62.259
HIERARCH ESO ISS PBL34 END 62.145
HIERARCH ESO ISS PBLA34 START 114.637
HIERARCH ESO ISS PBLA34 END 115.377
HIERARCH ESO ISS AMBI TAU0 START 0.00655
HIERARCH ESO ISS AMBI TAU0 END 0.0057
HIERARCH ESO ISS AMBI TEMP 10.28
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.53
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1080
HIERARCH ESO FT ROBJ DELTA -290027.5371