Exposure
ID
GRAVI.2025-05-22T08:54:16.656_1
Header ID
GRAVI.2025-05-22T08:54:16.656
Date updated
2025-05-22 09:06:21 UTC+0000
Release date
2025-05-22 08:54:16 UTC+0000
UTC Start
2025-05-22 08:54:16.656
UTC End
2025-05-22 08:56:40.656
MJD Start
60817.37102611
MJD End
60817.37269277666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.006444999999999999
Ambient temperature (°C)
13.87
Seeing (arcsec)
0.425
Observation
ID
67531
Category
calibrator
Program ID
115.282E.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 / KERVELLA / PIETRZYNSKI / GIEREN / MÉRAND / BRAS / BAILLEUL / LEFTLEY / AFANASIEV
Target
ID
50225
Name
HD182835
RA
291.629534
DEC
0.33856
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.8250 66.6430 271.4000 271.4000
K0-D0 95.8430 95.7760 252.8000 252.7000
K0-J3 50.2420 50.1070 335.1940 335.5250
G2-D0 38.9000 38.9720 219.5000 219.6000
G2-J3 63.4490 63.5500 46.1150 46.1980
D0-J3 102.1870 102.3620 43.5940 43.6920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60817.37102611
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME nu. Aql
HIERARCH ESO INS SOBJ NAME HD182835
RA 291.629534
DEC 0.33856
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 66.825
HIERARCH ESO ISS PBL12 END 66.643
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.843
HIERARCH ESO ISS PBL13 END 95.776
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 50.242
HIERARCH ESO ISS PBL14 END 50.107
HIERARCH ESO ISS PBLA14 START 335.194
HIERARCH ESO ISS PBLA14 END 335.525
HIERARCH ESO ISS PBL23 START 38.9
HIERARCH ESO ISS PBL23 END 38.972
HIERARCH ESO ISS PBLA23 START 219.5
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 63.449
HIERARCH ESO ISS PBL24 END 63.55
HIERARCH ESO ISS PBLA24 START 46.115
HIERARCH ESO ISS PBLA24 END 46.198
HIERARCH ESO ISS PBL34 START 102.187
HIERARCH ESO ISS PBL34 END 102.362
HIERARCH ESO ISS PBLA34 START 43.594
HIERARCH ESO ISS PBLA34 END 43.692
HIERARCH ESO ISS AMBI TAU0 START 0.006208
HIERARCH ESO ISS AMBI TAU0 END 0.006682
HIERARCH ESO ISS AMBI TEMP 13.87
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.41