Exposure
ID
GRAVI.2025-04-25T23:45:00.704_1
Header ID
GRAVI.2025-04-25T23:45:00.704
Date updated
2025-04-26 00:01:04 UTC+0000
Release date
2026-04-26 00:01:03 UTC+0000
UTC Start
2025-04-25 23:45:00.704
UTC End
2025-04-25 23:51:40.704
MJD Start
60790.98959148
MJD End
60790.99422110963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0047675
Ambient temperature (°C)
14.3
Seeing (arcsec)
0.635
Observation
ID
66990
Category
science
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
49805
Name
HD_42587
RA
92.067371
DEC
-55.23845
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 89.8270 89.7370 151.9000 153.5000
A0-J2 118.8080 118.1840 134.6000 136.3000
A0-K0 103.2360 102.0440 114.3900 116.1250
G1-J2 42.5260 41.8380 95.6000 97.1000
G1-K0 63.3990 62.4790 54.7180 55.5560
J2-K0 41.8640 41.7640 13.0200 13.8710
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60790.98959148
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 42587
HIERARCH ESO INS SOBJ NAME HD_42587
RA 92.067371
DEC -55.23845
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 89.827
HIERARCH ESO ISS PBL12 END 89.737
HIERARCH ESO ISS PBLA12 START 151.9
HIERARCH ESO ISS PBLA12 END 153.5
HIERARCH ESO ISS PBL13 START 118.808
HIERARCH ESO ISS PBL13 END 118.184
HIERARCH ESO ISS PBLA13 START 134.6
HIERARCH ESO ISS PBLA13 END 136.3
HIERARCH ESO ISS PBL14 START 103.236
HIERARCH ESO ISS PBL14 END 102.044
HIERARCH ESO ISS PBLA14 START 114.39
HIERARCH ESO ISS PBLA14 END 116.125
HIERARCH ESO ISS PBL23 START 42.526
HIERARCH ESO ISS PBL23 END 41.838
HIERARCH ESO ISS PBLA23 START 95.6
HIERARCH ESO ISS PBLA23 END 97.1
HIERARCH ESO ISS PBL24 START 63.399
HIERARCH ESO ISS PBL24 END 62.479
HIERARCH ESO ISS PBLA24 START 54.718
HIERARCH ESO ISS PBLA24 END 55.556
HIERARCH ESO ISS PBL34 START 41.864
HIERARCH ESO ISS PBL34 END 41.764
HIERARCH ESO ISS PBLA34 START 13.02
HIERARCH ESO ISS PBLA34 END 13.871
HIERARCH ESO ISS AMBI TAU0 START 0.00476
HIERARCH ESO ISS AMBI TAU0 END 0.004775
HIERARCH ESO ISS AMBI TEMP 14.3
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.62