Exposure
ID
GRAVI.2025-10-20T06:25:00.180_1
Header ID
GRAVI.2025-10-20T06:25:00.180
Date updated
2025-10-20 06:36:18 UTC+0000
Release date
2026-10-20 06:36:18 UTC+0000
UTC Start
2025-10-20 06:25:00.180
UTC End
2025-10-20 06:27:24.180
MJD Start
60968.2673632
MJD End
60968.269029866664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0148515
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.5549999999999999
Observation
ID
70962
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
52662
Name
bet_Dor
RA
83.401496
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 36.3210 36.4670 127.3000 127.8000
A0-D0 32.0040 32.0040 49.9000 50.5000
A0-G1 79.4810 79.7260 86.4030 87.0340
B5-D0 42.8440 42.8630 354.1000 354.5000
B5-G1 57.2080 57.2620 61.8370 62.4860
D0-G1 57.0150 57.2510 105.9000 106.4520
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 60968.2673632
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME bet Dor
HIERARCH ESO INS SOBJ NAME bet_Dor
RA 83.401496
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 36.321
HIERARCH ESO ISS PBL12 END 36.467
HIERARCH ESO ISS PBLA12 START 127.3
HIERARCH ESO ISS PBLA12 END 127.8
HIERARCH ESO ISS PBL13 START 32.004
HIERARCH ESO ISS PBL13 END 32.004
HIERARCH ESO ISS PBLA13 START 49.9
HIERARCH ESO ISS PBLA13 END 50.5
HIERARCH ESO ISS PBL14 START 79.481
HIERARCH ESO ISS PBL14 END 79.726
HIERARCH ESO ISS PBLA14 START 86.403
HIERARCH ESO ISS PBLA14 END 87.034
HIERARCH ESO ISS PBL23 START 42.844
HIERARCH ESO ISS PBL23 END 42.863
HIERARCH ESO ISS PBLA23 START 354.1
HIERARCH ESO ISS PBLA23 END 354.5
HIERARCH ESO ISS PBL24 START 57.208
HIERARCH ESO ISS PBL24 END 57.262
HIERARCH ESO ISS PBLA24 START 61.837
HIERARCH ESO ISS PBLA24 END 62.486
HIERARCH ESO ISS PBL34 START 57.015
HIERARCH ESO ISS PBL34 END 57.251
HIERARCH ESO ISS PBLA34 START 105.9
HIERARCH ESO ISS PBLA34 END 106.452
HIERARCH ESO ISS AMBI TAU0 START 0.016723
HIERARCH ESO ISS AMBI TAU0 END 0.01298
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.54