Exposure
ID
GRAVI.2025-02-27T00:41:25.321_1
Header ID
GRAVI.2025-02-27T00:41:25.321
Date updated
2025-02-28 08:23:38 UTC+0000
Release date
2025-02-27 00:41:25 UTC+0000
UTC Start
2025-02-27 00:41:25.321
UTC End
2025-02-27 00:44:05.321
MJD Start
60733.02876529
MJD End
60733.030617141856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0049515
Ambient temperature (°C)
16.32
Seeing (arcsec)
0.74
Observation
ID
64849
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
46266
Name
HD_58215
RA
110.868453
DEC
-27.83432
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.2370 88.4490 110.0000 110.3000
A0-J2 126.1360 126.4500 86.2000 86.6000
A0-K0 125.8700 126.1030 64.0630 64.4620
G1-J2 57.6790 57.7450 48.1000 48.5000
G1-K0 90.4340 90.4450 19.5570 19.9240
J2-K0 48.3930 48.4080 344.8270 345.1100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60733.02876529
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 58215
HIERARCH ESO INS SOBJ NAME HD_58215
RA 110.868453
DEC -27.83432
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 88.237
HIERARCH ESO ISS PBL12 END 88.449
HIERARCH ESO ISS PBLA12 START 110.0
HIERARCH ESO ISS PBLA12 END 110.3
HIERARCH ESO ISS PBL13 START 126.136
HIERARCH ESO ISS PBL13 END 126.45
HIERARCH ESO ISS PBLA13 START 86.2
HIERARCH ESO ISS PBLA13 END 86.6
HIERARCH ESO ISS PBL14 START 125.87
HIERARCH ESO ISS PBL14 END 126.103
HIERARCH ESO ISS PBLA14 START 64.063
HIERARCH ESO ISS PBLA14 END 64.462
HIERARCH ESO ISS PBL23 START 57.679
HIERARCH ESO ISS PBL23 END 57.745
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.5
HIERARCH ESO ISS PBL24 START 90.434
HIERARCH ESO ISS PBL24 END 90.445
HIERARCH ESO ISS PBLA24 START 19.557
HIERARCH ESO ISS PBLA24 END 19.924
HIERARCH ESO ISS PBL34 START 48.393
HIERARCH ESO ISS PBL34 END 48.408
HIERARCH ESO ISS PBLA34 START 344.827
HIERARCH ESO ISS PBLA34 END 345.11
HIERARCH ESO ISS AMBI TAU0 START 0.005322
HIERARCH ESO ISS AMBI TAU0 END 0.004581
HIERARCH ESO ISS AMBI TEMP 16.32
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.81