Exposure
ID
GRAVI.2025-10-17T06:24:37.012_1
Header ID
GRAVI.2025-10-17T06:24:37.012
Date updated
2025-10-17 06:35:52 UTC+0000
Release date
2025-10-17 06:24:37 UTC+0000
UTC Start
2025-10-17 06:24:37.012
UTC End
2025-10-17 06:27:01.012
MJD Start
60965.26709505
MJD End
60965.26876171667
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.004155
Ambient temperature (°C)
14.99
Seeing (arcsec)
0.715
Observation
ID
70961
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
52661
Name
HD_36689
RA
82.317425
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 35.9640 36.1160 126.2000 126.6000
A0-D0 31.9990 32.0010 48.2000 48.8000
A0-G1 78.7700 79.0240 84.7070 85.3520
B5-D0 42.8860 42.9080 353.1000 353.4000
B5-G1 57.0320 57.0910 60.0240 60.6860
D0-G1 56.3770 56.6220 104.4620 105.0250
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 60965.26709505
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36689
HIERARCH ESO INS SOBJ NAME HD_36689
RA 82.317425
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 35.964
HIERARCH ESO ISS PBL12 END 36.116
HIERARCH ESO ISS PBLA12 START 126.2
HIERARCH ESO ISS PBLA12 END 126.6
HIERARCH ESO ISS PBL13 START 31.999
HIERARCH ESO ISS PBL13 END 32.001
HIERARCH ESO ISS PBLA13 START 48.2
HIERARCH ESO ISS PBLA13 END 48.8
HIERARCH ESO ISS PBL14 START 78.77
HIERARCH ESO ISS PBL14 END 79.024
HIERARCH ESO ISS PBLA14 START 84.707
HIERARCH ESO ISS PBLA14 END 85.352
HIERARCH ESO ISS PBL23 START 42.886
HIERARCH ESO ISS PBL23 END 42.908
HIERARCH ESO ISS PBLA23 START 353.1
HIERARCH ESO ISS PBLA23 END 353.4
HIERARCH ESO ISS PBL24 START 57.032
HIERARCH ESO ISS PBL24 END 57.091
HIERARCH ESO ISS PBLA24 START 60.024
HIERARCH ESO ISS PBLA24 END 60.686
HIERARCH ESO ISS PBL34 START 56.377
HIERARCH ESO ISS PBL34 END 56.622
HIERARCH ESO ISS PBLA34 START 104.462
HIERARCH ESO ISS PBLA34 END 105.025
HIERARCH ESO ISS AMBI TAU0 START 0.004255
HIERARCH ESO ISS AMBI TAU0 END 0.004055
HIERARCH ESO ISS AMBI TEMP 14.99
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.72