Exposure
ID
GRAVI.2021-05-30T05:07:08.275_2
Header ID
GRAVI.2021-05-30T05:07:08.275
Date updated
2021-05-30 05:20:29 UTC+0000
Release date
2022-05-30 05:20:28 UTC+0000
UTC Start
2021-05-30 05:07:08.275
UTC End
2021-05-30 05:12:28.275
MJD Start
59364.21329022
MJD End
59364.2169939237
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0054965
Ambient temperature (°C)
9.86
Seeing (arcsec)
0.68
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 56.5580 56.5600 20.4000 21.1000
U1-U3 102.3910 102.4160 26.6000 27.3000
U1-U4 129.2420 129.5030 54.1830 54.9590
U2-U3 46.5670 46.5960 34.1000 34.9000
U2-U4 88.0760 88.3840 75.1280 75.8740
U3-U4 61.1290 61.3870 105.1270 105.7540
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 59364.21329022
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 56.558
HIERARCH ESO ISS PBL12 END 56.56
HIERARCH ESO ISS PBLA12 START 20.4
HIERARCH ESO ISS PBLA12 END 21.1
HIERARCH ESO ISS PBL13 START 102.391
HIERARCH ESO ISS PBL13 END 102.416
HIERARCH ESO ISS PBLA13 START 26.6
HIERARCH ESO ISS PBLA13 END 27.3
HIERARCH ESO ISS PBL14 START 129.242
HIERARCH ESO ISS PBL14 END 129.503
HIERARCH ESO ISS PBLA14 START 54.183
HIERARCH ESO ISS PBLA14 END 54.959
HIERARCH ESO ISS PBL23 START 46.567
HIERARCH ESO ISS PBL23 END 46.596
HIERARCH ESO ISS PBLA23 START 34.1
HIERARCH ESO ISS PBLA23 END 34.9
HIERARCH ESO ISS PBL24 START 88.076
HIERARCH ESO ISS PBL24 END 88.384
HIERARCH ESO ISS PBLA24 START 75.128
HIERARCH ESO ISS PBLA24 END 75.874
HIERARCH ESO ISS PBL34 START 61.129
HIERARCH ESO ISS PBL34 END 61.387
HIERARCH ESO ISS PBLA34 START 105.127
HIERARCH ESO ISS PBLA34 END 105.754
HIERARCH ESO ISS AMBI TAU0 START 0.004058
HIERARCH ESO ISS AMBI TAU0 END 0.006935
HIERARCH ESO ISS AMBI TEMP 9.86
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.63
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1080
HIERARCH ESO FT ROBJ DELTA -290027.5371