Exposure
- ID
- GRAVI.2025-11-10T02:06:47.288_1
- Header ID
- GRAVI.2025-11-10T02:06:47.288
- Date updated
- 2025-11-10 02:21:08 UTC+0000
- Release date
- 2025-11-10 02:06:47 UTC+0000
- UTC Start
- 2025-11-10 02:06:47.288
- UTC End
- 2025-11-10 02:11:03.288
- MJD Start
- 60989.08804732
- MJD End
- 60989.091010282966
- Exposure time (s)
- 256.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0067315
- Ambient temperature (°C)
- 13.64
- Seeing (arcsec)
- 0.75
Observation
- ID
- 71377
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52998
- Name
- HD_31349
- RA
- 73.322804
- DEC
- -38.14408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4500 | 56.4590 | 352.4000 | 353.2000 |
| U1-U3 | 102.3950 | 102.3920 | 356.1000 | 357.0000 |
| U1-U4 | 119.0270 | 119.2760 | 13.6160 | 14.9540 |
| U2-U3 | 46.2080 | 46.2110 | 0.6000 | 1.7000 |
| U2-U4 | 69.4770 | 70.0410 | 30.7170 | 32.3390 |
| U3-U4 | 37.4960 | 38.3920 | 68.8630 | 70.2340 |
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 | 60989.08804732 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 31349 |
| HIERARCH ESO INS SOBJ NAME | HD_31349 |
| RA | 73.322804 |
| DEC | -38.14408 |
| 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 | 337.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 256 |
| HIERARCH ESO ISS PBL12 START | 56.45 |
| HIERARCH ESO ISS PBL12 END | 56.459 |
| HIERARCH ESO ISS PBLA12 START | 352.4 |
| HIERARCH ESO ISS PBLA12 END | 353.2 |
| HIERARCH ESO ISS PBL13 START | 102.395 |
| HIERARCH ESO ISS PBL13 END | 102.392 |
| HIERARCH ESO ISS PBLA13 START | 356.1 |
| HIERARCH ESO ISS PBLA13 END | 357.0 |
| HIERARCH ESO ISS PBL14 START | 119.027 |
| HIERARCH ESO ISS PBL14 END | 119.276 |
| HIERARCH ESO ISS PBLA14 START | 13.616 |
| HIERARCH ESO ISS PBLA14 END | 14.954 |
| HIERARCH ESO ISS PBL23 START | 46.208 |
| HIERARCH ESO ISS PBL23 END | 46.211 |
| HIERARCH ESO ISS PBLA23 START | 0.6 |
| HIERARCH ESO ISS PBLA23 END | 1.7 |
| HIERARCH ESO ISS PBL24 START | 69.477 |
| HIERARCH ESO ISS PBL24 END | 70.041 |
| HIERARCH ESO ISS PBLA24 START | 30.717 |
| HIERARCH ESO ISS PBLA24 END | 32.339 |
| HIERARCH ESO ISS PBL34 START | 37.496 |
| HIERARCH ESO ISS PBL34 END | 38.392 |
| HIERARCH ESO ISS PBLA34 START | 68.863 |
| HIERARCH ESO ISS PBLA34 END | 70.234 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006177 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007286 |
| HIERARCH ESO ISS AMBI TEMP | 13.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |