Exposure
ID
GRAVI.2025-10-17T06:08:42.972_1
Header ID
GRAVI.2025-10-17T06:08:42.972
Date updated
2025-10-17 06:16:30 UTC+0000
Release date
2025-10-17 06:08:42 UTC+0000
UTC Start
2025-10-17 06:08:42.972
UTC End
2025-10-17 06:11:06.972
MJD Start
60965.25605292
MJD End
60965.25771958666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0052204999999999994
Ambient temperature (°C)
14.29
Seeing (arcsec)
0.69
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 35.0830 35.2430 123.6000 124.1000
A0-D0 31.9780 31.9830 44.6000 45.2000
A0-G1 77.3010 77.5660 81.0470 81.7040
B5-D0 42.7400 42.7690 350.9000 351.3000
B5-G1 56.6870 56.7500 56.2820 56.9520
D0-G1 54.9620 55.2180 101.2680 101.8410
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 60965.25605292
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 35.083
HIERARCH ESO ISS PBL12 END 35.243
HIERARCH ESO ISS PBLA12 START 123.6
HIERARCH ESO ISS PBLA12 END 124.1
HIERARCH ESO ISS PBL13 START 31.978
HIERARCH ESO ISS PBL13 END 31.983
HIERARCH ESO ISS PBLA13 START 44.6
HIERARCH ESO ISS PBLA13 END 45.2
HIERARCH ESO ISS PBL14 START 77.301
HIERARCH ESO ISS PBL14 END 77.566
HIERARCH ESO ISS PBLA14 START 81.047
HIERARCH ESO ISS PBLA14 END 81.704
HIERARCH ESO ISS PBL23 START 42.74
HIERARCH ESO ISS PBL23 END 42.769
HIERARCH ESO ISS PBLA23 START 350.9
HIERARCH ESO ISS PBLA23 END 351.3
HIERARCH ESO ISS PBL24 START 56.687
HIERARCH ESO ISS PBL24 END 56.75
HIERARCH ESO ISS PBLA24 START 56.282
HIERARCH ESO ISS PBLA24 END 56.952
HIERARCH ESO ISS PBL34 START 54.962
HIERARCH ESO ISS PBL34 END 55.218
HIERARCH ESO ISS PBLA34 START 101.268
HIERARCH ESO ISS PBLA34 END 101.841
HIERARCH ESO ISS AMBI TAU0 START 0.005155
HIERARCH ESO ISS AMBI TAU0 END 0.005286
HIERARCH ESO ISS AMBI TEMP 14.29
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.72