Exposure
ID
GRAVI.2025-09-22T08:41:18.896_1
Header ID
GRAVI.2025-09-22T08:41:18.896
Date updated
2025-09-22 08:50:54 UTC+0000
Release date
2026-09-22 08:50:53 UTC+0000
UTC Start
2025-09-22 08:41:18.896
UTC End
2025-09-22 08:45:18.896
MJD Start
60940.36202426
MJD End
60940.36480203778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0062305
Ambient temperature (°C)
12.14
Seeing (arcsec)
0.49
Observation
ID
70498
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
52276
Name
CD-69_221
RA
65.473313
DEC
-69.58462
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 85.3780 85.5640 105.4000 106.4000
A0-J2 129.0070 129.0540 88.2000 89.2000
A0-K0 125.2330 125.0660 72.5760 73.5500
G1-J2 53.7700 53.6420 60.1000 61.1000
G1-K0 70.7400 70.5450 31.7110 32.4560
J2-K0 34.7260 34.7860 344.2080 344.8530
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 60940.36202426
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CD-69 221
HIERARCH ESO INS SOBJ NAME CD-69_221
RA 65.473313
DEC -69.58462
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 85.378
HIERARCH ESO ISS PBL12 END 85.564
HIERARCH ESO ISS PBLA12 START 105.4
HIERARCH ESO ISS PBLA12 END 106.4
HIERARCH ESO ISS PBL13 START 129.007
HIERARCH ESO ISS PBL13 END 129.054
HIERARCH ESO ISS PBLA13 START 88.2
HIERARCH ESO ISS PBLA13 END 89.2
HIERARCH ESO ISS PBL14 START 125.233
HIERARCH ESO ISS PBL14 END 125.066
HIERARCH ESO ISS PBLA14 START 72.576
HIERARCH ESO ISS PBLA14 END 73.55
HIERARCH ESO ISS PBL23 START 53.77
HIERARCH ESO ISS PBL23 END 53.642
HIERARCH ESO ISS PBLA23 START 60.1
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 70.74
HIERARCH ESO ISS PBL24 END 70.545
HIERARCH ESO ISS PBLA24 START 31.711
HIERARCH ESO ISS PBLA24 END 32.456
HIERARCH ESO ISS PBL34 START 34.726
HIERARCH ESO ISS PBL34 END 34.786
HIERARCH ESO ISS PBLA34 START 344.208
HIERARCH ESO ISS PBLA34 END 344.853
HIERARCH ESO ISS AMBI TAU0 START 0.006526
HIERARCH ESO ISS AMBI TAU0 END 0.005935
HIERARCH ESO ISS AMBI TEMP 12.14
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.48