Exposure
ID
GRAVI.2025-10-16T05:23:05.589_1
Header ID
GRAVI.2025-10-16T05:23:05.589
Date updated
2025-10-16 05:30:53 UTC+0000
Release date
2025-10-16 05:23:05 UTC+0000
UTC Start
2025-10-16 05:23:05.589
UTC End
2025-10-16 05:25:29.589
MJD Start
60964.22437024
MJD End
60964.226036906664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0092055
Ambient temperature (°C)
13.57
Seeing (arcsec)
0.435
Observation
ID
70961
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 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 32.0030 32.1920 115.7000 116.1000
A0-D0 31.8340 31.8440 33.3000 33.9000
A0-G1 72.3670 72.6570 69.0450 69.7540
B5-D0 42.0280 42.0790 344.3000 344.7000
B5-G1 55.4840 55.5550 44.2690 44.9650
D0-G1 50.1130 50.4040 90.8370 91.4530
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 60964.22437024
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 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 32.003
HIERARCH ESO ISS PBL12 END 32.192
HIERARCH ESO ISS PBLA12 START 115.7
HIERARCH ESO ISS PBLA12 END 116.1
HIERARCH ESO ISS PBL13 START 31.834
HIERARCH ESO ISS PBL13 END 31.844
HIERARCH ESO ISS PBLA13 START 33.3
HIERARCH ESO ISS PBLA13 END 33.9
HIERARCH ESO ISS PBL14 START 72.367
HIERARCH ESO ISS PBL14 END 72.657
HIERARCH ESO ISS PBLA14 START 69.045
HIERARCH ESO ISS PBLA14 END 69.754
HIERARCH ESO ISS PBL23 START 42.028
HIERARCH ESO ISS PBL23 END 42.079
HIERARCH ESO ISS PBLA23 START 344.3
HIERARCH ESO ISS PBLA23 END 344.7
HIERARCH ESO ISS PBL24 START 55.484
HIERARCH ESO ISS PBL24 END 55.555
HIERARCH ESO ISS PBLA24 START 44.269
HIERARCH ESO ISS PBLA24 END 44.965
HIERARCH ESO ISS PBL34 START 50.113
HIERARCH ESO ISS PBL34 END 50.404
HIERARCH ESO ISS PBLA34 START 90.837
HIERARCH ESO ISS PBLA34 END 91.453
HIERARCH ESO ISS AMBI TAU0 START 0.008814
HIERARCH ESO ISS AMBI TAU0 END 0.009597
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.49