Exposure
ID
GRAVI.2025-11-29T07:34:44.985_1
Header ID
GRAVI.2025-11-29T07:34:44.985
Date updated
2025-11-29 07:45:56 UTC+0000
Release date
2025-11-29 07:34:44 UTC+0000
UTC Start
2025-11-29 07:34:44.985
UTC End
2025-11-29 07:37:24.985
MJD Start
61008.31579844
MJD End
61008.31765029186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.011616
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.47
Observation
ID
71898
Category
calibrator
Program ID
116.28NF.001
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
53378
Name
HD_90274
RA
155.924055
DEC
-59.20588
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 33.5720 33.7710 120.1000 120.6000
A0-J2 119.1410 119.4010 52.2000 52.9000
A0-J6 154.8160 154.7890 3.2390 3.7060
B5-J2 110.9990 111.0560 35.9000 36.5000
B5-J6 172.6150 172.6940 353.2520 353.6610
J2-J6 117.9870 118.5530 313.6780 314.0510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61008.31579844
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 90274
HIERARCH ESO INS SOBJ NAME HD_90274
RA 155.924055
DEC -59.20588
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 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 33.572
HIERARCH ESO ISS PBL12 END 33.771
HIERARCH ESO ISS PBLA12 START 120.1
HIERARCH ESO ISS PBLA12 END 120.6
HIERARCH ESO ISS PBL13 START 119.141
HIERARCH ESO ISS PBL13 END 119.401
HIERARCH ESO ISS PBLA13 START 52.2
HIERARCH ESO ISS PBLA13 END 52.9
HIERARCH ESO ISS PBL14 START 154.816
HIERARCH ESO ISS PBL14 END 154.789
HIERARCH ESO ISS PBLA14 START 3.239
HIERARCH ESO ISS PBLA14 END 3.706
HIERARCH ESO ISS PBL23 START 110.999
HIERARCH ESO ISS PBL23 END 111.056
HIERARCH ESO ISS PBLA23 START 35.9
HIERARCH ESO ISS PBLA23 END 36.5
HIERARCH ESO ISS PBL24 START 172.615
HIERARCH ESO ISS PBL24 END 172.694
HIERARCH ESO ISS PBLA24 START 353.252
HIERARCH ESO ISS PBLA24 END 353.661
HIERARCH ESO ISS PBL34 START 117.987
HIERARCH ESO ISS PBL34 END 118.553
HIERARCH ESO ISS PBLA34 START 313.678
HIERARCH ESO ISS PBLA34 END 314.051
HIERARCH ESO ISS AMBI TAU0 START 0.012258
HIERARCH ESO ISS AMBI TAU0 END 0.010974
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.45