Exposure
ID
GRAVI.2025-11-24T03:08:42.873_1
Header ID
GRAVI.2025-11-24T03:08:42.873
Date updated
2025-11-24 03:21:01 UTC+0000
Release date
2026-11-24 03:21:01 UTC+0000
UTC Start
2025-11-24 03:08:42.873
UTC End
2025-11-24 03:11:06.873
MJD Start
61003.13105177
MJD End
61003.13271843666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.002758
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.89
Observation
ID
71844
Category
science
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
53335
Name
bet_Dor
RA
83.401495
DEC
-62.48975
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 32.9090 33.0880 117.9000 118.3000
A0-D0 31.8920 31.9010 36.6000 37.3000
A0-G1 73.9110 74.1940 72.5600 73.2560
B5-D0 42.1770 42.2210 346.2000 346.6000
B5-G1 55.8840 55.9530 47.8230 48.5140
D0-G1 51.5930 51.8740 93.8230 94.4290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61003.13105177
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME bet Dor
HIERARCH ESO INS SOBJ NAME bet_Dor
RA 83.401495
DEC -62.48975
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 32.909
HIERARCH ESO ISS PBL12 END 33.088
HIERARCH ESO ISS PBLA12 START 117.9
HIERARCH ESO ISS PBLA12 END 118.3
HIERARCH ESO ISS PBL13 START 31.892
HIERARCH ESO ISS PBL13 END 31.901
HIERARCH ESO ISS PBLA13 START 36.6
HIERARCH ESO ISS PBLA13 END 37.3
HIERARCH ESO ISS PBL14 START 73.911
HIERARCH ESO ISS PBL14 END 74.194
HIERARCH ESO ISS PBLA14 START 72.56
HIERARCH ESO ISS PBLA14 END 73.256
HIERARCH ESO ISS PBL23 START 42.177
HIERARCH ESO ISS PBL23 END 42.221
HIERARCH ESO ISS PBLA23 START 346.2
HIERARCH ESO ISS PBLA23 END 346.6
HIERARCH ESO ISS PBL24 START 55.884
HIERARCH ESO ISS PBL24 END 55.953
HIERARCH ESO ISS PBLA24 START 47.823
HIERARCH ESO ISS PBLA24 END 48.514
HIERARCH ESO ISS PBL34 START 51.593
HIERARCH ESO ISS PBL34 END 51.874
HIERARCH ESO ISS PBLA34 START 93.823
HIERARCH ESO ISS PBLA34 END 94.429
HIERARCH ESO ISS AMBI TAU0 START 0.002566
HIERARCH ESO ISS AMBI TAU0 END 0.00295
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.81