Exposure
ID
GRAVI.2025-09-23T05:58:45.426_1
Header ID
GRAVI.2025-09-23T05:58:45.426
Date updated
2025-09-23 06:11:04 UTC+0000
Release date
2026-09-23 06:11:04 UTC+0000
UTC Start
2025-09-23 05:58:45.426
UTC End
2025-09-23 06:02:45.426
MJD Start
60941.24913687
MJD End
60941.25191464778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.008438000000000001
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.425
Observation
ID
70502
Category
science
Program ID
115.282L.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
52280
Name
HD_270504
RA
66.816013
DEC
-72.40642
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 76.5370 76.7820 64.6000 65.7000
A0-J2 125.0380 125.1750 48.1000 49.1000
A0-K0 127.8250 127.8030 34.9300 35.9270
G1-J2 56.0900 56.0510 25.2000 26.1000
G1-K0 72.1230 72.1040 3.2090 3.9760
J2-K0 29.0800 29.2290 316.9750 317.6700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60941.24913687
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 270504
HIERARCH ESO INS SOBJ NAME HD_270504
RA 66.816013
DEC -72.40642
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 76.537
HIERARCH ESO ISS PBL12 END 76.782
HIERARCH ESO ISS PBLA12 START 64.6
HIERARCH ESO ISS PBLA12 END 65.7
HIERARCH ESO ISS PBL13 START 125.038
HIERARCH ESO ISS PBL13 END 125.175
HIERARCH ESO ISS PBLA13 START 48.1
HIERARCH ESO ISS PBLA13 END 49.1
HIERARCH ESO ISS PBL14 START 127.825
HIERARCH ESO ISS PBL14 END 127.803
HIERARCH ESO ISS PBLA14 START 34.93
HIERARCH ESO ISS PBLA14 END 35.927
HIERARCH ESO ISS PBL23 START 56.09
HIERARCH ESO ISS PBL23 END 56.051
HIERARCH ESO ISS PBLA23 START 25.2
HIERARCH ESO ISS PBLA23 END 26.1
HIERARCH ESO ISS PBL24 START 72.123
HIERARCH ESO ISS PBL24 END 72.104
HIERARCH ESO ISS PBLA24 START 3.209
HIERARCH ESO ISS PBLA24 END 3.976
HIERARCH ESO ISS PBL34 START 29.08
HIERARCH ESO ISS PBL34 END 29.229
HIERARCH ESO ISS PBLA34 START 316.975
HIERARCH ESO ISS PBLA34 END 317.67
HIERARCH ESO ISS AMBI TAU0 START 0.009312
HIERARCH ESO ISS AMBI TAU0 END 0.007564
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.41