Exposure
ID
GRAVI.2025-02-25T03:30:14.441_1
Header ID
GRAVI.2025-02-25T03:30:14.441
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-25 03:30:14 UTC+0000
UTC Start
2025-02-25 03:30:14.441
UTC End
2025-02-25 03:33:26.441
MJD Start
60731.14600047
MJD End
60731.14822269222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005369499999999999
Ambient temperature (°C)
14.77
Seeing (arcsec)
1.605
Observation
ID
64838
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
48283
Name
HD_55526
RA
107.694299
DEC
-48.93099
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 90.1030 90.0380 136.0000 136.7000
A0-J2 123.2330 122.8560 115.7000 116.5000
A0-K0 114.1830 113.5610 94.4150 95.1410
G1-J2 49.6780 49.3590 76.9000 77.5000
G1-K0 75.9050 75.5460 42.4560 42.8620
J2-K0 44.8380 44.8240 3.6450 4.0880
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 60731.14600047
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 55526
HIERARCH ESO INS SOBJ NAME HD_55526
RA 107.694299
DEC -48.93099
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 90.103
HIERARCH ESO ISS PBL12 END 90.038
HIERARCH ESO ISS PBLA12 START 136.0
HIERARCH ESO ISS PBLA12 END 136.7
HIERARCH ESO ISS PBL13 START 123.233
HIERARCH ESO ISS PBL13 END 122.856
HIERARCH ESO ISS PBLA13 START 115.7
HIERARCH ESO ISS PBLA13 END 116.5
HIERARCH ESO ISS PBL14 START 114.183
HIERARCH ESO ISS PBL14 END 113.561
HIERARCH ESO ISS PBLA14 START 94.415
HIERARCH ESO ISS PBLA14 END 95.141
HIERARCH ESO ISS PBL23 START 49.678
HIERARCH ESO ISS PBL23 END 49.359
HIERARCH ESO ISS PBLA23 START 76.9
HIERARCH ESO ISS PBLA23 END 77.5
HIERARCH ESO ISS PBL24 START 75.905
HIERARCH ESO ISS PBL24 END 75.546
HIERARCH ESO ISS PBLA24 START 42.456
HIERARCH ESO ISS PBLA24 END 42.862
HIERARCH ESO ISS PBL34 START 44.838
HIERARCH ESO ISS PBL34 END 44.824
HIERARCH ESO ISS PBLA34 START 3.645
HIERARCH ESO ISS PBLA34 END 4.088
HIERARCH ESO ISS AMBI TAU0 START 0.005029
HIERARCH ESO ISS AMBI TAU0 END 0.00571
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 1.77
HIERARCH ESO ISS AMBI FWHM END 1.44