Exposure
ID
GRAVI.2025-11-25T02:58:51.219_1
Header ID
GRAVI.2025-11-25T02:58:51.219
Date updated
2025-11-25 03:11:04 UTC+0000
Release date
2025-11-25 02:58:51 UTC+0000
UTC Start
2025-11-25 02:58:51.219
UTC End
2025-11-25 03:01:15.219
MJD Start
61004.12420392
MJD End
61004.125870586664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0064175
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.615
Observation
ID
71843
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
53334
Name
HD_36689
RA
82.317424
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 32.8570 33.0390 117.8000 118.2000
A0-D0 31.8800 31.8890 36.3000 36.9000
A0-G1 73.6980 73.9860 72.2830 72.9810
B5-D0 42.2510 42.2960 346.0000 346.4000
B5-G1 55.8100 55.8800 47.4660 48.1600
D0-G1 51.4410 51.7260 93.6490 94.2550
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 61004.12420392
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36689
HIERARCH ESO INS SOBJ NAME HD_36689
RA 82.317424
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 32.857
HIERARCH ESO ISS PBL12 END 33.039
HIERARCH ESO ISS PBLA12 START 117.8
HIERARCH ESO ISS PBLA12 END 118.2
HIERARCH ESO ISS PBL13 START 31.88
HIERARCH ESO ISS PBL13 END 31.889
HIERARCH ESO ISS PBLA13 START 36.3
HIERARCH ESO ISS PBLA13 END 36.9
HIERARCH ESO ISS PBL14 START 73.698
HIERARCH ESO ISS PBL14 END 73.986
HIERARCH ESO ISS PBLA14 START 72.283
HIERARCH ESO ISS PBLA14 END 72.981
HIERARCH ESO ISS PBL23 START 42.251
HIERARCH ESO ISS PBL23 END 42.296
HIERARCH ESO ISS PBLA23 START 346.0
HIERARCH ESO ISS PBLA23 END 346.4
HIERARCH ESO ISS PBL24 START 55.81
HIERARCH ESO ISS PBL24 END 55.88
HIERARCH ESO ISS PBLA24 START 47.466
HIERARCH ESO ISS PBLA24 END 48.16
HIERARCH ESO ISS PBL34 START 51.441
HIERARCH ESO ISS PBL34 END 51.726
HIERARCH ESO ISS PBLA34 START 93.649
HIERARCH ESO ISS PBLA34 END 94.255
HIERARCH ESO ISS AMBI TAU0 START 0.005777
HIERARCH ESO ISS AMBI TAU0 END 0.007058
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.54