Exposure
ID
GRAVI.2021-05-24T05:04:32.525_2
Header ID
GRAVI.2021-05-24T05:04:32.525
Date updated
2021-05-24 05:20:30 UTC+0000
Release date
2022-05-24 05:20:30 UTC+0000
UTC Start
2021-05-24 05:04:32.525
UTC End
2021-05-24 05:09:52.525
MJD Start
59358.21148756
MJD End
59358.2151912637
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0055885
Ambient temperature (°C)
12.46
Seeing (arcsec)
0.405
Observation
ID
47451
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
35588
Name
IRS16C
RA
266.4171125
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 56.5180 56.5310 17.0000 17.8000
U1-U3 102.1750 102.2350 23.1000 23.9000
U1-U4 127.5800 128.0040 50.4180 51.2700
U2-U3 46.3600 46.4150 30.5000 31.3000
U2-U4 86.1850 86.6640 71.5640 72.3650
U3-U4 59.5880 59.9760 102.2920 102.9060
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 59358.21148756
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S2
RA 266.416898
DEC -29.00719
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 56.518
HIERARCH ESO ISS PBL12 END 56.531
HIERARCH ESO ISS PBLA12 START 17.0
HIERARCH ESO ISS PBLA12 END 17.8
HIERARCH ESO ISS PBL13 START 102.175
HIERARCH ESO ISS PBL13 END 102.235
HIERARCH ESO ISS PBLA13 START 23.1
HIERARCH ESO ISS PBLA13 END 23.9
HIERARCH ESO ISS PBL14 START 127.58
HIERARCH ESO ISS PBL14 END 128.004
HIERARCH ESO ISS PBLA14 START 50.418
HIERARCH ESO ISS PBLA14 END 51.27
HIERARCH ESO ISS PBL23 START 46.36
HIERARCH ESO ISS PBL23 END 46.415
HIERARCH ESO ISS PBLA23 START 30.5
HIERARCH ESO ISS PBLA23 END 31.3
HIERARCH ESO ISS PBL24 START 86.185
HIERARCH ESO ISS PBL24 END 86.664
HIERARCH ESO ISS PBLA24 START 71.564
HIERARCH ESO ISS PBLA24 END 72.365
HIERARCH ESO ISS PBL34 START 59.588
HIERARCH ESO ISS PBL34 END 59.976
HIERARCH ESO ISS PBLA34 START 102.292
HIERARCH ESO ISS PBLA34 END 102.906
HIERARCH ESO ISS AMBI TAU0 START 0.004958
HIERARCH ESO ISS AMBI TAU0 END 0.006219
HIERARCH ESO ISS AMBI TEMP 12.46
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.42
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1070
HIERARCH ESO FT ROBJ DELTA -290027.5371