Exposure
ID
GRAVI.2025-11-24T02:55:24.839_1
Header ID
GRAVI.2025-11-24T02:55:24.839
Date updated
2025-11-24 03:06:13 UTC+0000
Release date
2025-11-24 02:55:24 UTC+0000
UTC Start
2025-11-24 02:55:24.839
UTC End
2025-11-24 02:57:48.839
MJD Start
61003.12181527
MJD End
61003.123481936665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0034535
Ambient temperature (°C)
14.27
Seeing (arcsec)
0.795
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 32.3770 32.5630 116.6000 117.0000
A0-D0 31.8540 31.8640 34.6000 35.2000
A0-G1 72.9480 73.2360 70.4560 71.1620
B5-D0 42.1270 42.1760 345.0000 345.4000
B5-G1 55.6260 55.6970 45.6590 46.3560
D0-G1 50.6940 50.9820 92.0620 92.6750
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 61003.12181527
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 32.377
HIERARCH ESO ISS PBL12 END 32.563
HIERARCH ESO ISS PBLA12 START 116.6
HIERARCH ESO ISS PBLA12 END 117.0
HIERARCH ESO ISS PBL13 START 31.854
HIERARCH ESO ISS PBL13 END 31.864
HIERARCH ESO ISS PBLA13 START 34.6
HIERARCH ESO ISS PBLA13 END 35.2
HIERARCH ESO ISS PBL14 START 72.948
HIERARCH ESO ISS PBL14 END 73.236
HIERARCH ESO ISS PBLA14 START 70.456
HIERARCH ESO ISS PBLA14 END 71.162
HIERARCH ESO ISS PBL23 START 42.127
HIERARCH ESO ISS PBL23 END 42.176
HIERARCH ESO ISS PBLA23 START 345.0
HIERARCH ESO ISS PBLA23 END 345.4
HIERARCH ESO ISS PBL24 START 55.626
HIERARCH ESO ISS PBL24 END 55.697
HIERARCH ESO ISS PBLA24 START 45.659
HIERARCH ESO ISS PBLA24 END 46.356
HIERARCH ESO ISS PBL34 START 50.694
HIERARCH ESO ISS PBL34 END 50.982
HIERARCH ESO ISS PBLA34 START 92.062
HIERARCH ESO ISS PBLA34 END 92.675
HIERARCH ESO ISS AMBI TAU0 START 0.003281
HIERARCH ESO ISS AMBI TAU0 END 0.003626
HIERARCH ESO ISS AMBI TEMP 14.27
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.81