Exposure
ID
GRAVI.2025-10-17T06:18:12.996_1
Header ID
GRAVI.2025-10-17T06:18:12.996
Date updated
2025-10-17 06:26:08 UTC+0000
Release date
2025-10-17 06:18:12 UTC+0000
UTC Start
2025-10-17 06:18:12.996
UTC End
2025-10-17 06:20:36.996
MJD Start
60965.26265042
MJD End
60965.264317086665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0036005000000000004
Ambient temperature (°C)
14.9
Seeing (arcsec)
0.81
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 35.6150 35.7700 125.2000 125.6000
A0-D0 31.9930 31.9960 46.7000 47.4000
A0-G1 78.1860 78.4440 83.2430 83.8860
B5-D0 42.8320 42.8560 352.2000 352.6000
B5-G1 56.8970 56.9570 58.5240 59.1820
D0-G1 55.8160 56.0640 103.1830 103.7440
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 60965.26265042
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 35.615
HIERARCH ESO ISS PBL12 END 35.77
HIERARCH ESO ISS PBLA12 START 125.2
HIERARCH ESO ISS PBLA12 END 125.6
HIERARCH ESO ISS PBL13 START 31.993
HIERARCH ESO ISS PBL13 END 31.996
HIERARCH ESO ISS PBLA13 START 46.7
HIERARCH ESO ISS PBLA13 END 47.4
HIERARCH ESO ISS PBL14 START 78.186
HIERARCH ESO ISS PBL14 END 78.444
HIERARCH ESO ISS PBLA14 START 83.243
HIERARCH ESO ISS PBLA14 END 83.886
HIERARCH ESO ISS PBL23 START 42.832
HIERARCH ESO ISS PBL23 END 42.856
HIERARCH ESO ISS PBLA23 START 352.2
HIERARCH ESO ISS PBLA23 END 352.6
HIERARCH ESO ISS PBL24 START 56.897
HIERARCH ESO ISS PBL24 END 56.957
HIERARCH ESO ISS PBLA24 START 58.524
HIERARCH ESO ISS PBLA24 END 59.182
HIERARCH ESO ISS PBL34 START 55.816
HIERARCH ESO ISS PBL34 END 56.064
HIERARCH ESO ISS PBLA34 START 103.183
HIERARCH ESO ISS PBLA34 END 103.744
HIERARCH ESO ISS AMBI TAU0 START 0.004021
HIERARCH ESO ISS AMBI TAU0 END 0.00318
HIERARCH ESO ISS AMBI TEMP 14.9
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.88