Exposure
ID
GRAVI.2025-10-20T06:18:36.164_1
Header ID
GRAVI.2025-10-20T06:18:36.164
Date updated
2025-10-20 06:31:25 UTC+0000
Release date
2025-10-20 06:18:36 UTC+0000
UTC Start
2025-10-20 06:18:36.164
UTC End
2025-10-20 06:21:00.164
MJD Start
60968.26291856
MJD End
60968.264585226665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0177565
Ambient temperature (°C)
15.66
Seeing (arcsec)
0.42500000000000004
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 36.2710 36.4190 127.1000 127.5000
A0-D0 32.0030 32.0040 49.5000 50.1000
A0-G1 79.2860 79.5340 86.0210 86.6520
B5-D0 42.9290 42.9490 353.8000 354.2000
B5-G1 57.1500 57.2060 61.3740 62.0230
D0-G1 56.8730 57.1110 105.6110 106.1620
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 60968.26291856
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 36.271
HIERARCH ESO ISS PBL12 END 36.419
HIERARCH ESO ISS PBLA12 START 127.1
HIERARCH ESO ISS PBLA12 END 127.5
HIERARCH ESO ISS PBL13 START 32.003
HIERARCH ESO ISS PBL13 END 32.004
HIERARCH ESO ISS PBLA13 START 49.5
HIERARCH ESO ISS PBLA13 END 50.1
HIERARCH ESO ISS PBL14 START 79.286
HIERARCH ESO ISS PBL14 END 79.534
HIERARCH ESO ISS PBLA14 START 86.021
HIERARCH ESO ISS PBLA14 END 86.652
HIERARCH ESO ISS PBL23 START 42.929
HIERARCH ESO ISS PBL23 END 42.949
HIERARCH ESO ISS PBLA23 START 353.8
HIERARCH ESO ISS PBLA23 END 354.2
HIERARCH ESO ISS PBL24 START 57.15
HIERARCH ESO ISS PBL24 END 57.206
HIERARCH ESO ISS PBLA24 START 61.374
HIERARCH ESO ISS PBLA24 END 62.023
HIERARCH ESO ISS PBL34 START 56.873
HIERARCH ESO ISS PBL34 END 57.111
HIERARCH ESO ISS PBLA34 START 105.611
HIERARCH ESO ISS PBLA34 END 106.162
HIERARCH ESO ISS AMBI TAU0 START 0.019031
HIERARCH ESO ISS AMBI TAU0 END 0.016482
HIERARCH ESO ISS AMBI TEMP 15.66
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.46