Exposure
- ID
- GRAVI.2025-07-09T09:59:33.042_1
- Header ID
- GRAVI.2025-07-09T09:59:33.042
- Date updated
- 2025-07-09 10:06:15 UTC+0000
- Release date
- 2025-07-09 09:59:33 UTC+0000
- UTC Start
- 2025-07-09 09:59:33.042
- UTC End
- 2025-07-09 10:00:05.042
- MJD Start
- 60865.41635465
- MJD End
- 60865.41672502037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058665
- Ambient temperature (°C)
- 13.72
- Seeing (arcsec)
- 0.77
Observation
- ID
- 68481
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 50916
- Name
- HD_224821
- RA
- 0.226649
- DEC
- -50.44644
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.2610 | 51.2320 | 31.9000 | 32.0000 |
| U1-U3 | 93.6050 | 93.5410 | 38.7000 | 38.9000 |
| U1-U4 | 125.0800 | 124.9990 | 67.4730 | 67.6250 |
| U2-U3 | 43.1510 | 43.1190 | 46.9000 | 47.0000 |
| U2-U4 | 88.5810 | 88.5510 | 87.1600 | 87.3260 |
| U3-U4 | 62.2360 | 62.2480 | 113.7700 | 113.9330 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60865.41635465 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 224821 |
| HIERARCH ESO INS SOBJ NAME | HD_224821 |
| RA | 0.226649 |
| DEC | -50.44644 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 54.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 51.261 |
| HIERARCH ESO ISS PBL12 END | 51.232 |
| HIERARCH ESO ISS PBLA12 START | 31.9 |
| HIERARCH ESO ISS PBLA12 END | 32.0 |
| HIERARCH ESO ISS PBL13 START | 93.605 |
| HIERARCH ESO ISS PBL13 END | 93.541 |
| HIERARCH ESO ISS PBLA13 START | 38.7 |
| HIERARCH ESO ISS PBLA13 END | 38.9 |
| HIERARCH ESO ISS PBL14 START | 125.08 |
| HIERARCH ESO ISS PBL14 END | 124.999 |
| HIERARCH ESO ISS PBLA14 START | 67.473 |
| HIERARCH ESO ISS PBLA14 END | 67.625 |
| HIERARCH ESO ISS PBL23 START | 43.151 |
| HIERARCH ESO ISS PBL23 END | 43.119 |
| HIERARCH ESO ISS PBLA23 START | 46.9 |
| HIERARCH ESO ISS PBLA23 END | 47.0 |
| HIERARCH ESO ISS PBL24 START | 88.581 |
| HIERARCH ESO ISS PBL24 END | 88.551 |
| HIERARCH ESO ISS PBLA24 START | 87.16 |
| HIERARCH ESO ISS PBLA24 END | 87.326 |
| HIERARCH ESO ISS PBL34 START | 62.236 |
| HIERARCH ESO ISS PBL34 END | 62.248 |
| HIERARCH ESO ISS PBLA34 START | 113.77 |
| HIERARCH ESO ISS PBLA34 END | 113.933 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006035 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005698 |
| HIERARCH ESO ISS AMBI TEMP | 13.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |