Exposure
ID
GRAVI.2025-02-22T03:15:23.376_1
Header ID
GRAVI.2025-02-22T03:15:23.376
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-22 03:15:23 UTC+0000
UTC Start
2025-02-22 03:15:23.376
UTC End
2025-02-22 03:18:03.376
MJD Start
60728.13568722
MJD End
60728.13753907185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007346500000000001
Ambient temperature (°C)
14.67
Seeing (arcsec)
0.855
Observation
ID
64781
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
48242
Name
HD_57478
RA
110.241635
DEC
-14.36049
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.5160 46.4560 160.4000 160.8000
A0-J2 121.4720 120.9140 98.2000 98.4000
A0-J6 169.6850 169.6700 32.7600 32.9380
B5-J2 107.9400 107.5680 75.8000 75.9000
B5-J6 201.4900 201.5490 22.2270 22.4520
J2-J6 162.5080 162.4160 349.9280 350.3000
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 60728.13568722
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241635
DEC -14.36049
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 46.516
HIERARCH ESO ISS PBL12 END 46.456
HIERARCH ESO ISS PBLA12 START 160.4
HIERARCH ESO ISS PBLA12 END 160.8
HIERARCH ESO ISS PBL13 START 121.472
HIERARCH ESO ISS PBL13 END 120.914
HIERARCH ESO ISS PBLA13 START 98.2
HIERARCH ESO ISS PBLA13 END 98.4
HIERARCH ESO ISS PBL14 START 169.685
HIERARCH ESO ISS PBL14 END 169.67
HIERARCH ESO ISS PBLA14 START 32.76
HIERARCH ESO ISS PBLA14 END 32.938
HIERARCH ESO ISS PBL23 START 107.94
HIERARCH ESO ISS PBL23 END 107.568
HIERARCH ESO ISS PBLA23 START 75.8
HIERARCH ESO ISS PBLA23 END 75.9
HIERARCH ESO ISS PBL24 START 201.49
HIERARCH ESO ISS PBL24 END 201.549
HIERARCH ESO ISS PBLA24 START 22.227
HIERARCH ESO ISS PBLA24 END 22.452
HIERARCH ESO ISS PBL34 START 162.508
HIERARCH ESO ISS PBL34 END 162.416
HIERARCH ESO ISS PBLA34 START 349.928
HIERARCH ESO ISS PBLA34 END 350.3
HIERARCH ESO ISS AMBI TAU0 START 0.006949
HIERARCH ESO ISS AMBI TAU0 END 0.007744
HIERARCH ESO ISS AMBI TEMP 14.67
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.83