Exposure
ID
GRAVI.2025-04-25T02:03:05.670_1
Header ID
GRAVI.2025-04-25T02:03:05.670
Date updated
2025-04-25 02:20:46 UTC+0000
Release date
2025-04-25 02:03:05 UTC+0000
UTC Start
2025-04-25 02:03:05.670
UTC End
2025-04-25 02:09:45.670
MJD Start
60790.08548229
MJD End
60790.09011191963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.013974
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.515
Observation
ID
66952
Category
calibrator
Program ID
115.282L.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
49774
Name
HD_99848
RA
172.295015
DEC
-6.69851
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.4690 89.0630 115.1000 115.5000
A0-J2 129.1610 128.9700 92.8000 93.0000
A0-K0 127.5580 127.8040 72.0380 72.2800
G1-J2 57.4860 57.7020 56.6000 57.0000
G1-K0 87.2230 87.5530 27.5460 28.1630
J2-K0 46.3430 46.2710 350.4800 351.2350
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60790.08548229
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 99848
HIERARCH ESO INS SOBJ NAME HD_99848
RA 172.295015
DEC -6.69851
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 89.469
HIERARCH ESO ISS PBL12 END 89.063
HIERARCH ESO ISS PBLA12 START 115.1
HIERARCH ESO ISS PBLA12 END 115.5
HIERARCH ESO ISS PBL13 START 129.161
HIERARCH ESO ISS PBL13 END 128.97
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 127.558
HIERARCH ESO ISS PBL14 END 127.804
HIERARCH ESO ISS PBLA14 START 72.038
HIERARCH ESO ISS PBLA14 END 72.28
HIERARCH ESO ISS PBL23 START 57.486
HIERARCH ESO ISS PBL23 END 57.702
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 57.0
HIERARCH ESO ISS PBL24 START 87.223
HIERARCH ESO ISS PBL24 END 87.553
HIERARCH ESO ISS PBLA24 START 27.546
HIERARCH ESO ISS PBLA24 END 28.163
HIERARCH ESO ISS PBL34 START 46.343
HIERARCH ESO ISS PBL34 END 46.271
HIERARCH ESO ISS PBLA34 START 350.48
HIERARCH ESO ISS PBLA34 END 351.235
HIERARCH ESO ISS AMBI TAU0 START 0.014999
HIERARCH ESO ISS AMBI TAU0 END 0.012949
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.55