Exposure
ID
GRAVI.2025-11-29T07:44:45.011_1
Header ID
GRAVI.2025-11-29T07:44:45.011
Date updated
2025-11-29 07:55:54 UTC+0000
Release date
2025-11-29 07:44:45 UTC+0000
UTC Start
2025-11-29 07:44:45.011
UTC End
2025-11-29 07:47:25.011
MJD Start
61008.32274318
MJD End
61008.32459503185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0113725
Ambient temperature (°C)
14.13
Seeing (arcsec)
0.425
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 34.2390 34.4320 121.6000 122.0000
A0-J2 120.0170 120.2750 54.6000 55.3000
A0-J6 154.7080 154.6670 4.8180 5.2870
B5-J2 111.1890 111.2430 38.2000 38.8000
B5-J6 172.8610 172.9240 354.6360 355.0470
J2-J6 119.8780 120.4270 314.9410 315.3180
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 61008.32274318
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 34.239
HIERARCH ESO ISS PBL12 END 34.432
HIERARCH ESO ISS PBLA12 START 121.6
HIERARCH ESO ISS PBLA12 END 122.0
HIERARCH ESO ISS PBL13 START 120.017
HIERARCH ESO ISS PBL13 END 120.275
HIERARCH ESO ISS PBLA13 START 54.6
HIERARCH ESO ISS PBLA13 END 55.3
HIERARCH ESO ISS PBL14 START 154.708
HIERARCH ESO ISS PBL14 END 154.667
HIERARCH ESO ISS PBLA14 START 4.818
HIERARCH ESO ISS PBLA14 END 5.287
HIERARCH ESO ISS PBL23 START 111.189
HIERARCH ESO ISS PBL23 END 111.243
HIERARCH ESO ISS PBLA23 START 38.2
HIERARCH ESO ISS PBLA23 END 38.8
HIERARCH ESO ISS PBL24 START 172.861
HIERARCH ESO ISS PBL24 END 172.924
HIERARCH ESO ISS PBLA24 START 354.636
HIERARCH ESO ISS PBLA24 END 355.047
HIERARCH ESO ISS PBL34 START 119.878
HIERARCH ESO ISS PBL34 END 120.427
HIERARCH ESO ISS PBLA34 START 314.941
HIERARCH ESO ISS PBLA34 END 315.318
HIERARCH ESO ISS AMBI TAU0 START 0.010806
HIERARCH ESO ISS AMBI TAU0 END 0.011939
HIERARCH ESO ISS AMBI TEMP 14.13
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.42