Exposure
ID
GRAVI.2025-06-22T06:44:49.464_1
Header ID
GRAVI.2025-06-22T06:44:49.464
Date updated
2025-06-22 06:55:49 UTC+0000
Release date
2026-06-22 06:55:49 UTC+0000
UTC Start
2025-06-22 06:44:49.464
UTC End
2025-06-22 06:47:13.464
MJD Start
60848.28112805
MJD End
60848.282794716666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0030800000000000003
Ambient temperature (°C)
10.84
Seeing (arcsec)
0.46499999999999997
Observation
ID
67532
Category
science
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
50226
Name
eta_Aql
RA
298.118251
DEC
1.00561
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 68.2020 68.1420 271.4000 271.4000
K0-D0 95.5850 95.6810 252.8000 252.8000
K0-J3 51.5970 51.4610 331.5220 331.7940
G2-D0 37.7700 37.8680 217.8000 218.0000
G2-J3 61.7340 61.8940 44.9070 45.0470
D0-J3 99.3230 99.5830 42.2060 42.3620
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60848.28112805
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME eta Aql
HIERARCH ESO INS SOBJ NAME eta_Aql
RA 298.118251
DEC 1.00561
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 68.202
HIERARCH ESO ISS PBL12 END 68.142
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.585
HIERARCH ESO ISS PBL13 END 95.681
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 51.597
HIERARCH ESO ISS PBL14 END 51.461
HIERARCH ESO ISS PBLA14 START 331.522
HIERARCH ESO ISS PBLA14 END 331.794
HIERARCH ESO ISS PBL23 START 37.77
HIERARCH ESO ISS PBL23 END 37.868
HIERARCH ESO ISS PBLA23 START 217.8
HIERARCH ESO ISS PBLA23 END 218.0
HIERARCH ESO ISS PBL24 START 61.734
HIERARCH ESO ISS PBL24 END 61.894
HIERARCH ESO ISS PBLA24 START 44.907
HIERARCH ESO ISS PBLA24 END 45.047
HIERARCH ESO ISS PBL34 START 99.323
HIERARCH ESO ISS PBL34 END 99.583
HIERARCH ESO ISS PBLA34 START 42.206
HIERARCH ESO ISS PBLA34 END 42.362
HIERARCH ESO ISS AMBI TAU0 START 0.003049
HIERARCH ESO ISS AMBI TAU0 END 0.003111
HIERARCH ESO ISS AMBI TEMP 10.84
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.47