Exposure
ID
GRAVI.2025-04-24T03:55:54.913_1
Header ID
GRAVI.2025-04-24T03:55:54.913
Date updated
2025-04-24 04:11:13 UTC+0000
Release date
2025-04-24 03:55:54 UTC+0000
UTC Start
2025-04-24 03:55:54.913
UTC End
2025-04-24 04:02:34.913
MJD Start
60789.16383001
MJD End
60789.16845963963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0077295
Ambient temperature (°C)
13.37
Seeing (arcsec)
0.745
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 76.3840 75.1510 123.5000 124.3000
A0-J2 113.0820 111.1670 96.8000 97.1000
A0-K0 119.2360 117.8420 74.1770 74.1910
G1-J2 56.5180 56.1370 59.3000 59.3000
G1-K0 90.4610 90.4820 34.3410 34.5660
J2-K0 45.9200 45.9490 3.0230 3.8270
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 60789.16383001
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 76.384
HIERARCH ESO ISS PBL12 END 75.151
HIERARCH ESO ISS PBLA12 START 123.5
HIERARCH ESO ISS PBLA12 END 124.3
HIERARCH ESO ISS PBL13 START 113.082
HIERARCH ESO ISS PBL13 END 111.167
HIERARCH ESO ISS PBLA13 START 96.8
HIERARCH ESO ISS PBLA13 END 97.1
HIERARCH ESO ISS PBL14 START 119.236
HIERARCH ESO ISS PBL14 END 117.842
HIERARCH ESO ISS PBLA14 START 74.177
HIERARCH ESO ISS PBLA14 END 74.191
HIERARCH ESO ISS PBL23 START 56.518
HIERARCH ESO ISS PBL23 END 56.137
HIERARCH ESO ISS PBLA23 START 59.3
HIERARCH ESO ISS PBLA23 END 59.3
HIERARCH ESO ISS PBL24 START 90.461
HIERARCH ESO ISS PBL24 END 90.482
HIERARCH ESO ISS PBLA24 START 34.341
HIERARCH ESO ISS PBLA24 END 34.566
HIERARCH ESO ISS PBL34 START 45.92
HIERARCH ESO ISS PBL34 END 45.949
HIERARCH ESO ISS PBLA34 START 3.023
HIERARCH ESO ISS PBLA34 END 3.827
HIERARCH ESO ISS AMBI TAU0 START 0.007627
HIERARCH ESO ISS AMBI TAU0 END 0.007832
HIERARCH ESO ISS AMBI TEMP 13.37
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.7