Exposure
- ID
- GRAVI.2022-06-20T05:41:44.884_1
- Header ID
- GRAVI.2022-06-20T05:41:44.884
- Date updated
- 2022-06-20 13:30:54 UTC+0000
- Release date
- 2023-06-20 13:30:53 UTC+0000
- UTC Start
- 2022-06-20 05:41:44.884
- UTC End
- 2022-06-20 05:47:04.884
- MJD Start
- 59750.23732505
- MJD End
- 59750.2410287537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001506
- Ambient temperature (°C)
- 8.6
- Seeing (arcsec)
- 1.355
Observation
- ID
- 51283
- Category
- science
- Program ID
- 109.22ZA.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 38218
- Name
- S2
- RA
- 266.416937
- DEC
- -29.0072
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.5010 | 55.3690 | 32.5000 | 33.0000 |
| U1-U3 | 100.1100 | 99.8010 | 38.9000 | 39.4000 |
| U1-U4 | 125.6080 | 124.8890 | 67.6260 | 68.1850 |
| U2-U3 | 45.3710 | 45.1930 | 46.7000 | 47.2000 |
| U2-U4 | 86.3080 | 85.7760 | 89.3200 | 90.0110 |
| U3-U4 | 61.1850 | 60.9360 | 119.4530 | 120.2800 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59750.23732505 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416937 |
| DEC | -29.0072 |
| HIERARCH ESO INS SPEC RES | LOW |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.501 |
| HIERARCH ESO ISS PBL12 END | 55.369 |
| HIERARCH ESO ISS PBLA12 START | 32.5 |
| HIERARCH ESO ISS PBLA12 END | 33.0 |
| HIERARCH ESO ISS PBL13 START | 100.11 |
| HIERARCH ESO ISS PBL13 END | 99.801 |
| HIERARCH ESO ISS PBLA13 START | 38.9 |
| HIERARCH ESO ISS PBLA13 END | 39.4 |
| HIERARCH ESO ISS PBL14 START | 125.608 |
| HIERARCH ESO ISS PBL14 END | 124.889 |
| HIERARCH ESO ISS PBLA14 START | 67.626 |
| HIERARCH ESO ISS PBLA14 END | 68.185 |
| HIERARCH ESO ISS PBL23 START | 45.371 |
| HIERARCH ESO ISS PBL23 END | 45.193 |
| HIERARCH ESO ISS PBLA23 START | 46.7 |
| HIERARCH ESO ISS PBLA23 END | 47.2 |
| HIERARCH ESO ISS PBL24 START | 86.308 |
| HIERARCH ESO ISS PBL24 END | 85.776 |
| HIERARCH ESO ISS PBLA24 START | 89.32 |
| HIERARCH ESO ISS PBLA24 END | 90.011 |
| HIERARCH ESO ISS PBL34 START | 61.185 |
| HIERARCH ESO ISS PBL34 END | 60.936 |
| HIERARCH ESO ISS PBLA34 START | 119.453 |
| HIERARCH ESO ISS PBLA34 END | 120.28 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001506 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001506 |
| HIERARCH ESO ISS AMBI TEMP | 8.6 |
| HIERARCH ESO ISS AMBI FWHM START | 1.37 |
| HIERARCH ESO ISS AMBI FWHM END | 1.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |