Exposure
ID
GRAVI.2025-10-27T04:54:01.047_1
Header ID
GRAVI.2025-10-27T04:54:01.047
Date updated
2025-10-27 05:06:29 UTC+0000
Release date
2025-10-27 04:54:01 UTC+0000
UTC Start
2025-10-27 04:54:01.047
UTC End
2025-10-27 04:56:25.047
MJD Start
60975.20417879
MJD End
60975.205845456665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0028325
Ambient temperature (°C)
12.25
Seeing (arcsec)
1.01
Observation
ID
71011
Category
calibrator
Program ID
116.28NF.002
Program Title
CIRCUMSTELLAR ENVELOPES OF NEARBY CEPHEIDS WITH GRAVITY TO REFINE THE PERIOD-LUMINOSITY RELATION IN THE JWST ERA
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / GALLENNE / LEFTLEY / KERVELLA / MÉRAND / PIETRZYNSKI / KAMINSKI / GIEREN / BAILLEUL / BRAS
Target
ID
52661
Name
HD_36689
RA
82.317425
DEC
-62.31438
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 73.8170 74.1030 72.6000 73.3000
A0-J2 120.9590 121.1640 52.2000 52.9000
A0-K0 127.5010 127.5390 36.5500 37.1970
G1-J2 57.8230 57.8060 25.7000 26.3000
G1-K0 80.5100 80.4930 3.9230 4.3790
J2-K0 34.3670 34.4790 325.2370 325.5920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60975.20417879
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36689
HIERARCH ESO INS SOBJ NAME HD_36689
RA 82.317425
DEC -62.31438
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 73.817
HIERARCH ESO ISS PBL12 END 74.103
HIERARCH ESO ISS PBLA12 START 72.6
HIERARCH ESO ISS PBLA12 END 73.3
HIERARCH ESO ISS PBL13 START 120.959
HIERARCH ESO ISS PBL13 END 121.164
HIERARCH ESO ISS PBLA13 START 52.2
HIERARCH ESO ISS PBLA13 END 52.9
HIERARCH ESO ISS PBL14 START 127.501
HIERARCH ESO ISS PBL14 END 127.539
HIERARCH ESO ISS PBLA14 START 36.55
HIERARCH ESO ISS PBLA14 END 37.197
HIERARCH ESO ISS PBL23 START 57.823
HIERARCH ESO ISS PBL23 END 57.806
HIERARCH ESO ISS PBLA23 START 25.7
HIERARCH ESO ISS PBLA23 END 26.3
HIERARCH ESO ISS PBL24 START 80.51
HIERARCH ESO ISS PBL24 END 80.493
HIERARCH ESO ISS PBLA24 START 3.923
HIERARCH ESO ISS PBLA24 END 4.379
HIERARCH ESO ISS PBL34 START 34.367
HIERARCH ESO ISS PBL34 END 34.479
HIERARCH ESO ISS PBLA34 START 325.237
HIERARCH ESO ISS PBLA34 END 325.592
HIERARCH ESO ISS AMBI TAU0 START 0.002842
HIERARCH ESO ISS AMBI TAU0 END 0.002823
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 1.04