Exposure
ID
GRAVI.2025-06-20T06:44:38.742_1
Header ID
GRAVI.2025-06-20T06:44:38.742
Date updated
2025-06-20 06:55:50 UTC+0000
Release date
2025-06-20 06:44:38 UTC+0000
UTC Start
2025-06-20 06:44:38.742
UTC End
2025-06-20 06:47:02.742
MJD Start
60846.28100396
MJD End
60846.282670626664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0043915
Ambient temperature (°C)
12.41
Seeing (arcsec)
0.565
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 67.6480 67.5240 271.4000 271.4000
K0-D0 95.9710 95.9780 252.8000 252.8000
K0-J3 50.9880 50.8540 333.4620 333.7610
G2-D0 38.4650 38.5470 218.7000 218.9000
G2-J3 62.8030 62.9290 45.5720 45.6800
D0-J3 101.0960 101.3070 42.9680 43.0910
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 60846.28100396
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 67.648
HIERARCH ESO ISS PBL12 END 67.524
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.971
HIERARCH ESO ISS PBL13 END 95.978
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 50.988
HIERARCH ESO ISS PBL14 END 50.854
HIERARCH ESO ISS PBLA14 START 333.462
HIERARCH ESO ISS PBLA14 END 333.761
HIERARCH ESO ISS PBL23 START 38.465
HIERARCH ESO ISS PBL23 END 38.547
HIERARCH ESO ISS PBLA23 START 218.7
HIERARCH ESO ISS PBLA23 END 218.9
HIERARCH ESO ISS PBL24 START 62.803
HIERARCH ESO ISS PBL24 END 62.929
HIERARCH ESO ISS PBLA24 START 45.572
HIERARCH ESO ISS PBLA24 END 45.68
HIERARCH ESO ISS PBL34 START 101.096
HIERARCH ESO ISS PBL34 END 101.307
HIERARCH ESO ISS PBLA34 START 42.968
HIERARCH ESO ISS PBLA34 END 43.091
HIERARCH ESO ISS AMBI TAU0 START 0.004178
HIERARCH ESO ISS AMBI TAU0 END 0.004605
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.58