Exposure
ID
GRAVI.2021-05-24T06:11:14.693_2
Header ID
GRAVI.2021-05-24T06:11:14.693
Date updated
2021-05-24 06:25:16 UTC+0000
Release date
2022-05-24 06:25:16 UTC+0000
UTC Start
2021-05-24 06:11:14.693
UTC End
2021-05-24 06:16:34.693
MJD Start
59358.25780895
MJD End
59358.2615126537
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.004588
Ambient temperature (°C)
12.12
Seeing (arcsec)
0.545
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 56.4780 56.4470 25.1000 25.7000
U1-U3 102.3250 102.2640 31.4000 32.1000
U1-U4 130.2060 130.1640 59.3870 60.0730
U2-U3 46.6100 46.5820 39.1000 39.8000
U2-U4 89.4060 89.4290 80.2400 80.9390
U3-U4 62.3600 62.4230 109.6930 110.3670
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 59358.25780895
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 56.478
HIERARCH ESO ISS PBL12 END 56.447
HIERARCH ESO ISS PBLA12 START 25.1
HIERARCH ESO ISS PBLA12 END 25.7
HIERARCH ESO ISS PBL13 START 102.325
HIERARCH ESO ISS PBL13 END 102.264
HIERARCH ESO ISS PBLA13 START 31.4
HIERARCH ESO ISS PBLA13 END 32.1
HIERARCH ESO ISS PBL14 START 130.206
HIERARCH ESO ISS PBL14 END 130.164
HIERARCH ESO ISS PBLA14 START 59.387
HIERARCH ESO ISS PBLA14 END 60.073
HIERARCH ESO ISS PBL23 START 46.61
HIERARCH ESO ISS PBL23 END 46.582
HIERARCH ESO ISS PBLA23 START 39.1
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 89.406
HIERARCH ESO ISS PBL24 END 89.429
HIERARCH ESO ISS PBLA24 START 80.24
HIERARCH ESO ISS PBLA24 END 80.939
HIERARCH ESO ISS PBL34 START 62.36
HIERARCH ESO ISS PBL34 END 62.423
HIERARCH ESO ISS PBLA34 START 109.693
HIERARCH ESO ISS PBLA34 END 110.367
HIERARCH ESO ISS AMBI TAU0 START 0.004887
HIERARCH ESO ISS AMBI TAU0 END 0.004289
HIERARCH ESO ISS AMBI TEMP 12.12
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.54
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1070
HIERARCH ESO FT ROBJ DELTA -290027.5371