Exposure
ID
GRAVI.2021-05-29T06:39:16.576_1
Header ID
GRAVI.2021-05-29T06:39:16.576
Date updated
2021-05-29 06:55:39 UTC+0000
Release date
2022-05-29 06:55:39 UTC+0000
UTC Start
2021-05-29 06:39:16.576
UTC End
2021-05-29 06:44:36.576
MJD Start
59363.27727519
MJD End
59363.2809788937
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0036
Ambient temperature (°C)
10.45
Seeing (arcsec)
0.72
Observation
ID
47479
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
35611
Name
S2
RA
266.416817
DEC
-29.00713
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.0200 55.9300 30.0000 30.6000
U1-U3 101.3130 101.1060 36.4000 36.9000
U1-U4 128.3580 127.8970 64.7690 65.3710
U2-U3 46.0620 45.9440 44.2000 44.7000
U2-U4 88.3120 87.9820 85.9700 86.6540
U3-U4 62.1040 61.9580 115.6050 116.3680
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 59363.27727519
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S2
RA 266.416817
DEC -29.00713
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 56.02
HIERARCH ESO ISS PBL12 END 55.93
HIERARCH ESO ISS PBLA12 START 30.0
HIERARCH ESO ISS PBLA12 END 30.6
HIERARCH ESO ISS PBL13 START 101.313
HIERARCH ESO ISS PBL13 END 101.106
HIERARCH ESO ISS PBLA13 START 36.4
HIERARCH ESO ISS PBLA13 END 36.9
HIERARCH ESO ISS PBL14 START 128.358
HIERARCH ESO ISS PBL14 END 127.897
HIERARCH ESO ISS PBLA14 START 64.769
HIERARCH ESO ISS PBLA14 END 65.371
HIERARCH ESO ISS PBL23 START 46.062
HIERARCH ESO ISS PBL23 END 45.944
HIERARCH ESO ISS PBLA23 START 44.2
HIERARCH ESO ISS PBLA23 END 44.7
HIERARCH ESO ISS PBL24 START 88.312
HIERARCH ESO ISS PBL24 END 87.982
HIERARCH ESO ISS PBLA24 START 85.97
HIERARCH ESO ISS PBLA24 END 86.654
HIERARCH ESO ISS PBL34 START 62.104
HIERARCH ESO ISS PBL34 END 61.958
HIERARCH ESO ISS PBLA34 START 115.605
HIERARCH ESO ISS PBLA34 END 116.368
HIERARCH ESO ISS AMBI TAU0 START 0.00352
HIERARCH ESO ISS AMBI TAU0 END 0.00368
HIERARCH ESO ISS AMBI TEMP 10.45
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.68
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1070
HIERARCH ESO FT ROBJ DELTA -290027.5371