Exposure
ID
GRAVI.2025-11-29T07:41:30.002_1
Header ID
GRAVI.2025-11-29T07:41:30.002
Date updated
2025-11-29 07:51:26 UTC+0000
Release date
2025-11-29 07:41:30 UTC+0000
UTC Start
2025-11-29 07:41:30.002
UTC End
2025-11-29 07:44:10.002
MJD Start
61008.32048614
MJD End
61008.322337991856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0100085
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.5
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 34.0230 34.2180 121.1000 121.6000
A0-J2 119.7310 119.9890 53.8000 54.5000
A0-J6 154.7480 154.7120 4.3040 4.7680
B5-J2 111.1280 111.1830 37.4000 38.1000
B5-J6 172.7880 172.8550 354.1850 354.5940
J2-J6 119.2710 119.8230 314.5290 314.9030
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 61008.32048614
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 34.023
HIERARCH ESO ISS PBL12 END 34.218
HIERARCH ESO ISS PBLA12 START 121.1
HIERARCH ESO ISS PBLA12 END 121.6
HIERARCH ESO ISS PBL13 START 119.731
HIERARCH ESO ISS PBL13 END 119.989
HIERARCH ESO ISS PBLA13 START 53.8
HIERARCH ESO ISS PBLA13 END 54.5
HIERARCH ESO ISS PBL14 START 154.748
HIERARCH ESO ISS PBL14 END 154.712
HIERARCH ESO ISS PBLA14 START 4.304
HIERARCH ESO ISS PBLA14 END 4.768
HIERARCH ESO ISS PBL23 START 111.128
HIERARCH ESO ISS PBL23 END 111.183
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 38.1
HIERARCH ESO ISS PBL24 START 172.788
HIERARCH ESO ISS PBL24 END 172.855
HIERARCH ESO ISS PBLA24 START 354.185
HIERARCH ESO ISS PBLA24 END 354.594
HIERARCH ESO ISS PBL34 START 119.271
HIERARCH ESO ISS PBL34 END 119.823
HIERARCH ESO ISS PBLA34 START 314.529
HIERARCH ESO ISS PBLA34 END 314.903
HIERARCH ESO ISS AMBI TAU0 START 0.00909
HIERARCH ESO ISS AMBI TAU0 END 0.010927
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.42