Exposure
ID
GRAVI.2025-10-20T06:31:21.196_1
Header ID
GRAVI.2025-10-20T06:31:21.196
Date updated
2025-10-20 06:40:51 UTC+0000
Release date
2026-10-20 06:40:51 UTC+0000
UTC Start
2025-10-20 06:31:21.196
UTC End
2025-10-20 06:33:45.196
MJD Start
60968.2717731
MJD End
60968.273439766665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.017929
Ambient temperature (°C)
15.32
Seeing (arcsec)
0.54
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 36.6470 36.7900 128.3000 128.8000
A0-D0 32.0030 32.0010 51.3000 52.0000
A0-G1 80.0280 80.2690 87.8300 88.4650
B5-D0 42.8840 42.8990 355.0000 355.4000
B5-G1 57.3280 57.3800 63.3060 63.9610
D0-G1 57.5420 57.7730 107.1510 107.7080
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 60968.2717731
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 36.647
HIERARCH ESO ISS PBL12 END 36.79
HIERARCH ESO ISS PBLA12 START 128.3
HIERARCH ESO ISS PBLA12 END 128.8
HIERARCH ESO ISS PBL13 START 32.003
HIERARCH ESO ISS PBL13 END 32.001
HIERARCH ESO ISS PBLA13 START 51.3
HIERARCH ESO ISS PBLA13 END 52.0
HIERARCH ESO ISS PBL14 START 80.028
HIERARCH ESO ISS PBL14 END 80.269
HIERARCH ESO ISS PBLA14 START 87.83
HIERARCH ESO ISS PBLA14 END 88.465
HIERARCH ESO ISS PBL23 START 42.884
HIERARCH ESO ISS PBL23 END 42.899
HIERARCH ESO ISS PBLA23 START 355.0
HIERARCH ESO ISS PBLA23 END 355.4
HIERARCH ESO ISS PBL24 START 57.328
HIERARCH ESO ISS PBL24 END 57.38
HIERARCH ESO ISS PBLA24 START 63.306
HIERARCH ESO ISS PBLA24 END 63.961
HIERARCH ESO ISS PBL34 START 57.542
HIERARCH ESO ISS PBL34 END 57.773
HIERARCH ESO ISS PBLA34 START 107.151
HIERARCH ESO ISS PBLA34 END 107.708
HIERARCH ESO ISS AMBI TAU0 START 0.01712
HIERARCH ESO ISS AMBI TAU0 END 0.018738
HIERARCH ESO ISS AMBI TEMP 15.32
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.57