Exposure
ID
GRAVI.2025-10-16T05:32:29.612_1
Header ID
GRAVI.2025-10-16T05:32:29.612
Date updated
2025-10-16 05:41:53 UTC+0000
Release date
2025-10-16 05:32:29 UTC+0000
UTC Start
2025-10-16 05:32:29.612
UTC End
2025-10-16 05:34:53.612
MJD Start
60964.23089829
MJD End
60964.23256495666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.01026
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.45999999999999996
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 32.6240 32.8080 117.2000 117.6000
A0-D0 31.8670 31.8770 35.5000 36.1000
A0-G1 73.3300 73.6190 71.3950 72.0980
B5-D0 42.1930 42.2400 345.5000 345.9000
B5-G1 55.7190 55.7900 46.5850 47.2820
D0-G1 51.0760 51.3630 92.8790 93.4900
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 60964.23089829
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 32.624
HIERARCH ESO ISS PBL12 END 32.808
HIERARCH ESO ISS PBLA12 START 117.2
HIERARCH ESO ISS PBLA12 END 117.6
HIERARCH ESO ISS PBL13 START 31.867
HIERARCH ESO ISS PBL13 END 31.877
HIERARCH ESO ISS PBLA13 START 35.5
HIERARCH ESO ISS PBLA13 END 36.1
HIERARCH ESO ISS PBL14 START 73.33
HIERARCH ESO ISS PBL14 END 73.619
HIERARCH ESO ISS PBLA14 START 71.395
HIERARCH ESO ISS PBLA14 END 72.098
HIERARCH ESO ISS PBL23 START 42.193
HIERARCH ESO ISS PBL23 END 42.24
HIERARCH ESO ISS PBLA23 START 345.5
HIERARCH ESO ISS PBLA23 END 345.9
HIERARCH ESO ISS PBL24 START 55.719
HIERARCH ESO ISS PBL24 END 55.79
HIERARCH ESO ISS PBLA24 START 46.585
HIERARCH ESO ISS PBLA24 END 47.282
HIERARCH ESO ISS PBL34 START 51.076
HIERARCH ESO ISS PBL34 END 51.363
HIERARCH ESO ISS PBLA34 START 92.879
HIERARCH ESO ISS PBLA34 END 93.49
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 0.5