Exposure
- ID
- GRAVI.2023-01-22T03:12:11.054_1
- Header ID
- GRAVI.2023-01-22T03:12:11.054
- Date updated
- 2023-01-22 03:25:58 UTC+0000
- Release date
- 2024-01-22 03:25:58 UTC+0000
- UTC Start
- 2023-01-22 03:12:11.054
- UTC End
- 2023-01-22 03:16:11.054
- MJD Start
- 59966.13346127
- MJD End
- 59966.1362390478
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048325
- Ambient temperature (°C)
- 13.5
- Seeing (arcsec)
- 1.03
Observation
- ID
- 53922
- Category
- science
- Program ID
- 110.23QY.001
- Program Title
- HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
- Program Type
- Normal
- PI / COI
- GALLENNE/ PIETRZYNSKI/ GIEREN/ KERVELLA/ MÉRAND/ GRACZYK
Target
- ID
- 40086
- Name
- BD+26_1453
- RA
- 107.396744
- DEC
- 25.72775
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| K0-G2 | 67.8700 | 67.9950 | 274.9000 | 274.4000 |
| K0-D0 | 88.7610 | 89.3550 | 261.0000 | 260.6000 |
| K0-J3 | 44.4870 | 44.1060 | 319.8440 | 319.9660 |
| G2-D0 | 28.1080 | 28.4480 | 225.5000 | 225.7000 |
| G2-J3 | 48.0830 | 48.6640 | 54.0740 | 54.1090 |
| D0-J3 | 75.9910 | 76.9180 | 50.9050 | 51.0050 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 110.23QY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 59966.13346127 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD54371 |
| HIERARCH ESO INS SOBJ NAME | BD+26_1453 |
| RA | 107.396744 |
| DEC | 25.72775 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | K0 |
| HIERARCH ESO ISS CONF STATION2 | G2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | J3 |
| EXPTIME | 256.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 67.87 |
| HIERARCH ESO ISS PBL12 END | 67.995 |
| HIERARCH ESO ISS PBLA12 START | 274.9 |
| HIERARCH ESO ISS PBLA12 END | 274.4 |
| HIERARCH ESO ISS PBL13 START | 88.761 |
| HIERARCH ESO ISS PBL13 END | 89.355 |
| HIERARCH ESO ISS PBLA13 START | 261.0 |
| HIERARCH ESO ISS PBLA13 END | 260.6 |
| HIERARCH ESO ISS PBL14 START | 44.487 |
| HIERARCH ESO ISS PBL14 END | 44.106 |
| HIERARCH ESO ISS PBLA14 START | 319.844 |
| HIERARCH ESO ISS PBLA14 END | 319.966 |
| HIERARCH ESO ISS PBL23 START | 28.108 |
| HIERARCH ESO ISS PBL23 END | 28.448 |
| HIERARCH ESO ISS PBLA23 START | 225.5 |
| HIERARCH ESO ISS PBLA23 END | 225.7 |
| HIERARCH ESO ISS PBL24 START | 48.083 |
| HIERARCH ESO ISS PBL24 END | 48.664 |
| HIERARCH ESO ISS PBLA24 START | 54.074 |
| HIERARCH ESO ISS PBLA24 END | 54.109 |
| HIERARCH ESO ISS PBL34 START | 75.991 |
| HIERARCH ESO ISS PBL34 END | 76.918 |
| HIERARCH ESO ISS PBLA34 START | 50.905 |
| HIERARCH ESO ISS PBLA34 END | 51.005 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004437 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005228 |
| HIERARCH ESO ISS AMBI TEMP | 13.5 |
| HIERARCH ESO ISS AMBI FWHM START | 1.05 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |