Exposure
ID
GRAVI.2025-05-25T08:57:30.479_1
Header ID
GRAVI.2025-05-25T08:57:30.479
Date updated
2025-05-25 09:10:54 UTC+0000
Release date
2025-05-25 08:57:30 UTC+0000
UTC Start
2025-05-25 08:57:30.479
UTC End
2025-05-25 08:59:54.479
MJD Start
60820.37326943
MJD End
60820.37493609666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0045685
Ambient temperature (°C)
11.63
Seeing (arcsec)
0.57
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 65.7410 65.5040 271.4000 271.4000
K0-D0 95.3360 95.1990 252.6000 252.6000
K0-J3 49.5330 49.4010 337.0050 337.3630
G2-D0 39.2540 39.3140 220.1000 220.2000
G2-J3 63.9300 64.0040 46.5020 46.5610
D0-J3 103.0310 103.1670 44.0590 44.1320
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 60820.37326943
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 65.741
HIERARCH ESO ISS PBL12 END 65.504
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.336
HIERARCH ESO ISS PBL13 END 95.199
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.6
HIERARCH ESO ISS PBL14 START 49.533
HIERARCH ESO ISS PBL14 END 49.401
HIERARCH ESO ISS PBLA14 START 337.005
HIERARCH ESO ISS PBLA14 END 337.363
HIERARCH ESO ISS PBL23 START 39.254
HIERARCH ESO ISS PBL23 END 39.314
HIERARCH ESO ISS PBLA23 START 220.1
HIERARCH ESO ISS PBLA23 END 220.2
HIERARCH ESO ISS PBL24 START 63.93
HIERARCH ESO ISS PBL24 END 64.004
HIERARCH ESO ISS PBLA24 START 46.502
HIERARCH ESO ISS PBLA24 END 46.561
HIERARCH ESO ISS PBL34 START 103.031
HIERARCH ESO ISS PBL34 END 103.167
HIERARCH ESO ISS PBLA34 START 44.059
HIERARCH ESO ISS PBLA34 END 44.132
HIERARCH ESO ISS AMBI TAU0 START 0.004525
HIERARCH ESO ISS AMBI TAU0 END 0.004612
HIERARCH ESO ISS AMBI TEMP 11.63
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.69