Exposure
ID
GRAVI.2025-10-16T05:29:23.604_1
Header ID
GRAVI.2025-10-16T05:29:23.604
Date updated
2025-10-16 05:41:53 UTC+0000
Release date
2025-10-16 05:29:23 UTC+0000
UTC Start
2025-10-16 05:29:23.604
UTC End
2025-10-16 05:31:47.604
MJD Start
60964.22874542
MJD End
60964.23041208666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.01026
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.42
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 32.4230 32.6090 116.7000 117.1000
A0-D0 31.8560 31.8660 34.7000 35.4000
A0-G1 73.0150 73.3060 70.6300 71.3370
B5-D0 42.1410 42.1890 345.1000 345.5000
B5-G1 55.6420 55.7130 45.8290 46.5280
D0-G1 50.7630 51.0520 92.2150 92.8290
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 60964.22874542
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 32.423
HIERARCH ESO ISS PBL12 END 32.609
HIERARCH ESO ISS PBLA12 START 116.7
HIERARCH ESO ISS PBLA12 END 117.1
HIERARCH ESO ISS PBL13 START 31.856
HIERARCH ESO ISS PBL13 END 31.866
HIERARCH ESO ISS PBLA13 START 34.7
HIERARCH ESO ISS PBLA13 END 35.4
HIERARCH ESO ISS PBL14 START 73.015
HIERARCH ESO ISS PBL14 END 73.306
HIERARCH ESO ISS PBLA14 START 70.63
HIERARCH ESO ISS PBLA14 END 71.337
HIERARCH ESO ISS PBL23 START 42.141
HIERARCH ESO ISS PBL23 END 42.189
HIERARCH ESO ISS PBLA23 START 345.1
HIERARCH ESO ISS PBLA23 END 345.5
HIERARCH ESO ISS PBL24 START 55.642
HIERARCH ESO ISS PBL24 END 55.713
HIERARCH ESO ISS PBLA24 START 45.829
HIERARCH ESO ISS PBLA24 END 46.528
HIERARCH ESO ISS PBL34 START 50.763
HIERARCH ESO ISS PBL34 END 51.052
HIERARCH ESO ISS PBLA34 START 92.215
HIERARCH ESO ISS PBLA34 END 92.829
HIERARCH ESO ISS AMBI TAU0 START 0.01026
HIERARCH ESO ISS AMBI TAU0 END 0.01026
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42