Exposure
ID
GRAVI.2025-10-20T06:09:12.140_1
Header ID
GRAVI.2025-10-20T06:09:12.140
Date updated
2025-10-20 06:20:50 UTC+0000
Release date
2025-10-20 06:09:12 UTC+0000
UTC Start
2025-10-20 06:09:12.140
UTC End
2025-10-20 06:11:36.140
MJD Start
60968.25639051
MJD End
60968.25805717667
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.014956
Ambient temperature (°C)
15.55
Seeing (arcsec)
0.4
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 35.7680 35.9220 125.6000 126.1000
A0-D0 31.9960 31.9990 47.4000 48.0000
A0-G1 78.4420 78.6990 83.8800 84.5280
B5-D0 42.8560 42.8800 352.6000 353.0000
B5-G1 56.9560 57.0160 59.1760 59.8400
D0-G1 56.0620 56.3090 103.7400 104.3050
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 60968.25639051
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 35.768
HIERARCH ESO ISS PBL12 END 35.922
HIERARCH ESO ISS PBLA12 START 125.6
HIERARCH ESO ISS PBLA12 END 126.1
HIERARCH ESO ISS PBL13 START 31.996
HIERARCH ESO ISS PBL13 END 31.999
HIERARCH ESO ISS PBLA13 START 47.4
HIERARCH ESO ISS PBLA13 END 48.0
HIERARCH ESO ISS PBL14 START 78.442
HIERARCH ESO ISS PBL14 END 78.699
HIERARCH ESO ISS PBLA14 START 83.88
HIERARCH ESO ISS PBLA14 END 84.528
HIERARCH ESO ISS PBL23 START 42.856
HIERARCH ESO ISS PBL23 END 42.88
HIERARCH ESO ISS PBLA23 START 352.6
HIERARCH ESO ISS PBLA23 END 353.0
HIERARCH ESO ISS PBL24 START 56.956
HIERARCH ESO ISS PBL24 END 57.016
HIERARCH ESO ISS PBLA24 START 59.176
HIERARCH ESO ISS PBLA24 END 59.84
HIERARCH ESO ISS PBL34 START 56.062
HIERARCH ESO ISS PBL34 END 56.309
HIERARCH ESO ISS PBLA34 START 103.74
HIERARCH ESO ISS PBLA34 END 104.305
HIERARCH ESO ISS AMBI TAU0 START 0.016913
HIERARCH ESO ISS AMBI TAU0 END 0.012999
HIERARCH ESO ISS AMBI TEMP 15.55
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4