Exposure
ID
GRAVI.2025-05-24T08:38:03.047_1
Header ID
GRAVI.2025-05-24T08:38:03.047
Date updated
2025-05-24 08:50:49 UTC+0000
Release date
2025-05-24 08:38:03 UTC+0000
UTC Start
2025-05-24 08:38:03.047
UTC End
2025-05-24 08:40:27.047
MJD Start
60819.35975749
MJD End
60819.36142415666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0037955
Ambient temperature (°C)
12.11
Seeing (arcsec)
0.7
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 67.3070 67.1550 271.4000 271.4000
K0-D0 95.9620 95.9350 252.8000 252.8000
K0-J3 50.6430 50.5080 334.2350 334.5570
G2-D0 38.6740 38.7520 219.1000 219.2000
G2-J3 63.1190 63.2350 45.8320 45.9370
D0-J3 101.6270 101.8210 43.2670 43.3860
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 60819.35975749
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 67.307
HIERARCH ESO ISS PBL12 END 67.155
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.962
HIERARCH ESO ISS PBL13 END 95.935
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 50.643
HIERARCH ESO ISS PBL14 END 50.508
HIERARCH ESO ISS PBLA14 START 334.235
HIERARCH ESO ISS PBLA14 END 334.557
HIERARCH ESO ISS PBL23 START 38.674
HIERARCH ESO ISS PBL23 END 38.752
HIERARCH ESO ISS PBLA23 START 219.1
HIERARCH ESO ISS PBLA23 END 219.2
HIERARCH ESO ISS PBL24 START 63.119
HIERARCH ESO ISS PBL24 END 63.235
HIERARCH ESO ISS PBLA24 START 45.832
HIERARCH ESO ISS PBLA24 END 45.937
HIERARCH ESO ISS PBL34 START 101.627
HIERARCH ESO ISS PBL34 END 101.821
HIERARCH ESO ISS PBLA34 START 43.267
HIERARCH ESO ISS PBLA34 END 43.386
HIERARCH ESO ISS AMBI TAU0 START 0.003825
HIERARCH ESO ISS AMBI TAU0 END 0.003766
HIERARCH ESO ISS AMBI TEMP 12.11
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.69