Exposure
ID
GRAVI.2025-11-25T02:52:30.202_1
Header ID
GRAVI.2025-11-25T02:52:30.202
Date updated
2025-11-25 03:06:09 UTC+0000
Release date
2025-11-25 02:52:30 UTC+0000
UTC Start
2025-11-25 02:52:30.202
UTC End
2025-11-25 02:54:54.202
MJD Start
61004.11979401
MJD End
61004.121460676666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0059035
Ambient temperature (°C)
13.97
Seeing (arcsec)
0.61
Observation
ID
71843
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
53334
Name
HD_36689
RA
82.317424
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 32.4450 32.6300 116.7000 117.2000
A0-D0 31.8580 31.8680 34.8000 35.5000
A0-G1 73.0530 73.3410 70.7130 71.4150
B5-D0 42.1450 42.1930 345.2000 345.6000
B5-G1 55.6520 55.7220 45.9120 46.6070
D0-G1 50.7990 51.0860 92.2850 92.8950
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 61004.11979401
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36689
HIERARCH ESO INS SOBJ NAME HD_36689
RA 82.317424
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 32.445
HIERARCH ESO ISS PBL12 END 32.63
HIERARCH ESO ISS PBLA12 START 116.7
HIERARCH ESO ISS PBLA12 END 117.2
HIERARCH ESO ISS PBL13 START 31.858
HIERARCH ESO ISS PBL13 END 31.868
HIERARCH ESO ISS PBLA13 START 34.8
HIERARCH ESO ISS PBLA13 END 35.5
HIERARCH ESO ISS PBL14 START 73.053
HIERARCH ESO ISS PBL14 END 73.341
HIERARCH ESO ISS PBLA14 START 70.713
HIERARCH ESO ISS PBLA14 END 71.415
HIERARCH ESO ISS PBL23 START 42.145
HIERARCH ESO ISS PBL23 END 42.193
HIERARCH ESO ISS PBLA23 START 345.2
HIERARCH ESO ISS PBLA23 END 345.6
HIERARCH ESO ISS PBL24 START 55.652
HIERARCH ESO ISS PBL24 END 55.722
HIERARCH ESO ISS PBLA24 START 45.912
HIERARCH ESO ISS PBLA24 END 46.607
HIERARCH ESO ISS PBL34 START 50.799
HIERARCH ESO ISS PBL34 END 51.086
HIERARCH ESO ISS PBLA34 START 92.285
HIERARCH ESO ISS PBLA34 END 92.895
HIERARCH ESO ISS AMBI TAU0 START 0.005925
HIERARCH ESO ISS AMBI TAU0 END 0.005882
HIERARCH ESO ISS AMBI TEMP 13.97
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.62