Exposure
ID
GRAVI.2025-10-16T05:45:05.644_1
Header ID
GRAVI.2025-10-16T05:45:05.644
Date updated
2025-10-16 05:56:07 UTC+0000
Release date
2026-10-16 05:56:07 UTC+0000
UTC Start
2025-10-16 05:45:05.644
UTC End
2025-10-16 05:47:29.644
MJD Start
60964.23964866
MJD End
60964.24131532666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0069135
Ambient temperature (°C)
13.43
Seeing (arcsec)
0.56
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 33.1080 33.2870 118.4000 118.8000
A0-D0 31.9020 31.9100 37.4000 38.0000
A0-G1 74.2220 74.5050 73.3300 74.0230
B5-D0 42.2280 42.2710 346.6000 347.0000
B5-G1 55.9600 56.0290 48.5860 49.2770
D0-G1 51.9020 52.1820 94.4950 95.0990
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 60964.23964866
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 33.108
HIERARCH ESO ISS PBL12 END 33.287
HIERARCH ESO ISS PBLA12 START 118.4
HIERARCH ESO ISS PBLA12 END 118.8
HIERARCH ESO ISS PBL13 START 31.902
HIERARCH ESO ISS PBL13 END 31.91
HIERARCH ESO ISS PBLA13 START 37.4
HIERARCH ESO ISS PBLA13 END 38.0
HIERARCH ESO ISS PBL14 START 74.222
HIERARCH ESO ISS PBL14 END 74.505
HIERARCH ESO ISS PBLA14 START 73.33
HIERARCH ESO ISS PBLA14 END 74.023
HIERARCH ESO ISS PBL23 START 42.228
HIERARCH ESO ISS PBL23 END 42.271
HIERARCH ESO ISS PBLA23 START 346.6
HIERARCH ESO ISS PBLA23 END 347.0
HIERARCH ESO ISS PBL24 START 55.96
HIERARCH ESO ISS PBL24 END 56.029
HIERARCH ESO ISS PBLA24 START 48.586
HIERARCH ESO ISS PBLA24 END 49.277
HIERARCH ESO ISS PBL34 START 51.902
HIERARCH ESO ISS PBL34 END 52.182
HIERARCH ESO ISS PBLA34 START 94.495
HIERARCH ESO ISS PBLA34 END 95.099
HIERARCH ESO ISS AMBI TAU0 START 0.007191
HIERARCH ESO ISS AMBI TAU0 END 0.006636
HIERARCH ESO ISS AMBI TEMP 13.43
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.57