Exposure
ID
GRAVI.2025-10-16T05:38:50.628_1
Header ID
GRAVI.2025-10-16T05:38:50.628
Date updated
2025-10-16 05:50:51 UTC+0000
Release date
2025-10-16 05:38:50 UTC+0000
UTC Start
2025-10-16 05:38:50.628
UTC End
2025-10-16 05:41:14.628
MJD Start
60964.2353082
MJD End
60964.23697486666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.009102
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.47
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 33.0350 33.2150 118.2000 118.7000
A0-D0 31.8890 31.8980 36.9000 37.6000
A0-G1 73.9760 74.2630 72.9630 73.6580
B5-D0 42.2970 42.3410 346.4000 346.8000
B5-G1 55.8780 55.9480 48.1410 48.8330
D0-G1 51.7170 52.0000 94.2410 94.8450
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 60964.2353082
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 33.035
HIERARCH ESO ISS PBL12 END 33.215
HIERARCH ESO ISS PBLA12 START 118.2
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 31.889
HIERARCH ESO ISS PBL13 END 31.898
HIERARCH ESO ISS PBLA13 START 36.9
HIERARCH ESO ISS PBLA13 END 37.6
HIERARCH ESO ISS PBL14 START 73.976
HIERARCH ESO ISS PBL14 END 74.263
HIERARCH ESO ISS PBLA14 START 72.963
HIERARCH ESO ISS PBLA14 END 73.658
HIERARCH ESO ISS PBL23 START 42.297
HIERARCH ESO ISS PBL23 END 42.341
HIERARCH ESO ISS PBLA23 START 346.4
HIERARCH ESO ISS PBLA23 END 346.8
HIERARCH ESO ISS PBL24 START 55.878
HIERARCH ESO ISS PBL24 END 55.948
HIERARCH ESO ISS PBLA24 START 48.141
HIERARCH ESO ISS PBLA24 END 48.833
HIERARCH ESO ISS PBL34 START 51.717
HIERARCH ESO ISS PBL34 END 52.0
HIERARCH ESO ISS PBLA34 START 94.241
HIERARCH ESO ISS PBLA34 END 94.845
HIERARCH ESO ISS AMBI TAU0 START 0.01105
HIERARCH ESO ISS AMBI TAU0 END 0.007154
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.5