Exposure
ID
GRAVI.2025-10-19T05:55:28.126_1
Header ID
GRAVI.2025-10-19T05:55:28.126
Date updated
2025-10-19 06:05:47 UTC+0000
Release date
2025-10-19 05:55:28 UTC+0000
UTC Start
2025-10-19 05:55:28.126
UTC End
2025-10-19 05:57:52.126
MJD Start
60967.24685331
MJD End
60967.24851997666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.014973
Ambient temperature (°C)
15.35
Seeing (arcsec)
0.44999999999999996
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 34.7730 34.9370 122.8000 123.2000
A0-D0 31.9680 31.9730 43.4000 44.0000
A0-G1 76.7880 77.0590 79.7940 80.4580
B5-D0 42.6820 42.7130 350.2000 350.6000
B5-G1 56.5640 56.6290 55.0090 55.6830
D0-G1 54.4670 54.7290 100.1780 100.7560
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 60967.24685331
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 34.773
HIERARCH ESO ISS PBL12 END 34.937
HIERARCH ESO ISS PBLA12 START 122.8
HIERARCH ESO ISS PBLA12 END 123.2
HIERARCH ESO ISS PBL13 START 31.968
HIERARCH ESO ISS PBL13 END 31.973
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 44.0
HIERARCH ESO ISS PBL14 START 76.788
HIERARCH ESO ISS PBL14 END 77.059
HIERARCH ESO ISS PBLA14 START 79.794
HIERARCH ESO ISS PBLA14 END 80.458
HIERARCH ESO ISS PBL23 START 42.682
HIERARCH ESO ISS PBL23 END 42.713
HIERARCH ESO ISS PBLA23 START 350.2
HIERARCH ESO ISS PBLA23 END 350.6
HIERARCH ESO ISS PBL24 START 56.564
HIERARCH ESO ISS PBL24 END 56.629
HIERARCH ESO ISS PBLA24 START 55.009
HIERARCH ESO ISS PBLA24 END 55.683
HIERARCH ESO ISS PBL34 START 54.467
HIERARCH ESO ISS PBL34 END 54.729
HIERARCH ESO ISS PBLA34 START 100.178
HIERARCH ESO ISS PBLA34 END 100.756
HIERARCH ESO ISS AMBI TAU0 START 0.011428
HIERARCH ESO ISS AMBI TAU0 END 0.018518
HIERARCH ESO ISS AMBI TEMP 15.35
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.43