Exposure
ID
GRAVI.2025-09-22T08:32:03.872_1
Header ID
GRAVI.2025-09-22T08:32:03.872
Date updated
2025-09-22 08:40:59 UTC+0000
Release date
2026-09-22 08:40:59 UTC+0000
UTC Start
2025-09-22 08:32:03.872
UTC End
2025-09-22 08:36:03.872
MJD Start
60940.35560037
MJD End
60940.35837814778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0062315
Ambient temperature (°C)
12.0
Seeing (arcsec)
0.475
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 84.9580 85.1530 103.3000 104.3000
A0-J2 128.8850 128.9440 86.0000 87.0000
A0-K0 125.5750 125.4220 70.4620 71.4310
G1-J2 54.0370 53.9160 58.1000 59.1000
G1-K0 71.1470 70.9630 30.0950 30.8360
J2-K0 34.5890 34.6540 342.8060 343.4490
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 60940.35560037
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 84.958
HIERARCH ESO ISS PBL12 END 85.153
HIERARCH ESO ISS PBLA12 START 103.3
HIERARCH ESO ISS PBLA12 END 104.3
HIERARCH ESO ISS PBL13 START 128.885
HIERARCH ESO ISS PBL13 END 128.944
HIERARCH ESO ISS PBLA13 START 86.0
HIERARCH ESO ISS PBLA13 END 87.0
HIERARCH ESO ISS PBL14 START 125.575
HIERARCH ESO ISS PBL14 END 125.422
HIERARCH ESO ISS PBLA14 START 70.462
HIERARCH ESO ISS PBLA14 END 71.431
HIERARCH ESO ISS PBL23 START 54.037
HIERARCH ESO ISS PBL23 END 53.916
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 59.1
HIERARCH ESO ISS PBL24 START 71.147
HIERARCH ESO ISS PBL24 END 70.963
HIERARCH ESO ISS PBLA24 START 30.095
HIERARCH ESO ISS PBLA24 END 30.836
HIERARCH ESO ISS PBL34 START 34.589
HIERARCH ESO ISS PBL34 END 34.654
HIERARCH ESO ISS PBLA34 START 342.806
HIERARCH ESO ISS PBLA34 END 343.449
HIERARCH ESO ISS AMBI TAU0 START 0.005869
HIERARCH ESO ISS AMBI TAU0 END 0.006594
HIERARCH ESO ISS AMBI TEMP 12.0
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.53