Exposure
ID
GRAVI.2025-10-20T06:02:48.124_1
Header ID
GRAVI.2025-10-20T06:02:48.124
Date updated
2025-10-20 06:11:05 UTC+0000
Release date
2025-10-20 06:02:48 UTC+0000
UTC Start
2025-10-20 06:02:48.124
UTC End
2025-10-20 06:05:12.124
MJD Start
60968.25194588
MJD End
60968.253612546665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.017516999999999998
Ambient temperature (°C)
15.51
Seeing (arcsec)
0.36
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 35.4140 35.5720 124.6000 125.0000
A0-D0 31.9880 31.9920 45.9000 46.6000
A0-G1 77.8510 78.1130 82.4090 83.0630
B5-D0 42.7990 42.8250 351.7000 352.1000
B5-G1 56.8180 56.8790 57.6710 58.3400
D0-G1 55.4940 55.7450 102.4560 103.0270
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 60968.25194588
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 35.414
HIERARCH ESO ISS PBL12 END 35.572
HIERARCH ESO ISS PBLA12 START 124.6
HIERARCH ESO ISS PBLA12 END 125.0
HIERARCH ESO ISS PBL13 START 31.988
HIERARCH ESO ISS PBL13 END 31.992
HIERARCH ESO ISS PBLA13 START 45.9
HIERARCH ESO ISS PBLA13 END 46.6
HIERARCH ESO ISS PBL14 START 77.851
HIERARCH ESO ISS PBL14 END 78.113
HIERARCH ESO ISS PBLA14 START 82.409
HIERARCH ESO ISS PBLA14 END 83.063
HIERARCH ESO ISS PBL23 START 42.799
HIERARCH ESO ISS PBL23 END 42.825
HIERARCH ESO ISS PBLA23 START 351.7
HIERARCH ESO ISS PBLA23 END 352.1
HIERARCH ESO ISS PBL24 START 56.818
HIERARCH ESO ISS PBL24 END 56.879
HIERARCH ESO ISS PBLA24 START 57.671
HIERARCH ESO ISS PBLA24 END 58.34
HIERARCH ESO ISS PBL34 START 55.494
HIERARCH ESO ISS PBL34 END 55.745
HIERARCH ESO ISS PBLA34 START 102.456
HIERARCH ESO ISS PBLA34 END 103.027
HIERARCH ESO ISS AMBI TAU0 START 0.015253
HIERARCH ESO ISS AMBI TAU0 END 0.019781
HIERARCH ESO ISS AMBI TEMP 15.51
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.34