Exposure
- ID
- GRAVI.2024-06-26T01:54:01.564_2
- Header ID
- GRAVI.2024-06-26T01:54:01.564
- Date updated
- 2024-06-26 02:10:30 UTC+0000
- Release date
- 2025-06-26 02:10:30 UTC+0000
- UTC Start
- 2024-06-26 01:54:01.564
- UTC End
- 2024-06-26 02:00:01.564
- MJD Start
- 60487.07918477
- MJD End
- 60487.0833514367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029925
- Ambient temperature (°C)
- 11.1
- Seeing (arcsec)
- 0.645
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3310 | 56.3510 | 8.9000 | 9.8000 |
| U1-U3 | 101.3590 | 101.4510 | 14.4000 | 15.4000 |
| U1-U4 | 121.6450 | 122.3820 | 40.4150 | 41.5980 |
| U2-U3 | 45.6160 | 45.7030 | 21.3000 | 22.3000 |
| U2-U4 | 79.2880 | 80.1770 | 62.2120 | 63.3260 |
| U3-U4 | 53.8670 | 54.6280 | 95.9060 | 96.6030 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60487.07918477 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416811 |
| DEC | -29.00723 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.331 |
| HIERARCH ESO ISS PBL12 END | 56.351 |
| HIERARCH ESO ISS PBLA12 START | 8.9 |
| HIERARCH ESO ISS PBLA12 END | 9.8 |
| HIERARCH ESO ISS PBL13 START | 101.359 |
| HIERARCH ESO ISS PBL13 END | 101.451 |
| HIERARCH ESO ISS PBLA13 START | 14.4 |
| HIERARCH ESO ISS PBLA13 END | 15.4 |
| HIERARCH ESO ISS PBL14 START | 121.645 |
| HIERARCH ESO ISS PBL14 END | 122.382 |
| HIERARCH ESO ISS PBLA14 START | 40.415 |
| HIERARCH ESO ISS PBLA14 END | 41.598 |
| HIERARCH ESO ISS PBL23 START | 45.616 |
| HIERARCH ESO ISS PBL23 END | 45.703 |
| HIERARCH ESO ISS PBLA23 START | 21.3 |
| HIERARCH ESO ISS PBLA23 END | 22.3 |
| HIERARCH ESO ISS PBL24 START | 79.288 |
| HIERARCH ESO ISS PBL24 END | 80.177 |
| HIERARCH ESO ISS PBLA24 START | 62.212 |
| HIERARCH ESO ISS PBLA24 END | 63.326 |
| HIERARCH ESO ISS PBL34 START | 53.867 |
| HIERARCH ESO ISS PBL34 END | 54.628 |
| HIERARCH ESO ISS PBLA34 START | 95.906 |
| HIERARCH ESO ISS PBLA34 END | 96.603 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003022 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002963 |
| HIERARCH ESO ISS AMBI TEMP | 11.1 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |