Exposure
ID
GRAVI.2021-05-30T05:27:35.326_2
Header ID
GRAVI.2021-05-30T05:27:35.326
Date updated
2021-05-30 05:45:29 UTC+0000
Release date
2022-05-30 05:45:29 UTC+0000
UTC Start
2021-05-30 05:27:35.326
UTC End
2021-05-30 05:32:55.326
MJD Start
59364.2274922
MJD End
59364.2311959037
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0073
Ambient temperature (°C)
9.73
Seeing (arcsec)
0.575
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 56.5450 56.5320 22.8000 23.5000
U1-U3 102.4310 102.4170 29.1000 29.8000
U1-U4 129.9930 130.1100 56.8970 57.6290
U2-U3 46.6380 46.6410 36.7000 37.4000
U2-U4 88.9970 89.1650 77.7580 78.4800
U3-U4 61.9220 62.0810 107.3970 108.0490
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 59364.2274922
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 56.545
HIERARCH ESO ISS PBL12 END 56.532
HIERARCH ESO ISS PBLA12 START 22.8
HIERARCH ESO ISS PBLA12 END 23.5
HIERARCH ESO ISS PBL13 START 102.431
HIERARCH ESO ISS PBL13 END 102.417
HIERARCH ESO ISS PBLA13 START 29.1
HIERARCH ESO ISS PBLA13 END 29.8
HIERARCH ESO ISS PBL14 START 129.993
HIERARCH ESO ISS PBL14 END 130.11
HIERARCH ESO ISS PBLA14 START 56.897
HIERARCH ESO ISS PBLA14 END 57.629
HIERARCH ESO ISS PBL23 START 46.638
HIERARCH ESO ISS PBL23 END 46.641
HIERARCH ESO ISS PBLA23 START 36.7
HIERARCH ESO ISS PBLA23 END 37.4
HIERARCH ESO ISS PBL24 START 88.997
HIERARCH ESO ISS PBL24 END 89.165
HIERARCH ESO ISS PBLA24 START 77.758
HIERARCH ESO ISS PBLA24 END 78.48
HIERARCH ESO ISS PBL34 START 61.922
HIERARCH ESO ISS PBL34 END 62.081
HIERARCH ESO ISS PBLA34 START 107.397
HIERARCH ESO ISS PBLA34 END 108.049
HIERARCH ESO ISS AMBI TAU0 START 0.006357
HIERARCH ESO ISS AMBI TAU0 END 0.008243
HIERARCH ESO ISS AMBI TEMP 9.73
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.54
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1080
HIERARCH ESO FT ROBJ DELTA -290027.5371