Exposure
- ID
- GRAVI.2024-06-25T05:36:14.740_2
- Header ID
- GRAVI.2024-06-25T05:36:14.740
- Date updated
- 2024-06-25 05:50:36 UTC+0000
- Release date
- 2025-06-25 05:50:35 UTC+0000
- UTC Start
- 2024-06-25 05:36:14.740
- UTC End
- 2024-06-25 05:41:34.740
- MJD Start
- 60486.23350394
- MJD End
- 60486.2372076437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0022045
- Ambient temperature (°C)
- 8.86
- Seeing (arcsec)
- 0.915
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 | 55.1030 | 54.9440 | 33.9000 | 34.3000 |
| U1-U3 | 99.1830 | 98.8140 | 40.2000 | 40.7000 |
| U1-U4 | 123.4420 | 122.5770 | 69.1860 | 69.7230 |
| U2-U3 | 44.8360 | 44.6220 | 48.0000 | 48.5000 |
| U2-U4 | 84.7060 | 84.0650 | 91.2800 | 91.9800 |
| U3-U4 | 60.4330 | 60.1330 | 121.8270 | 122.6950 |
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 | 60486.23350394 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416918 |
| DEC | -29.00728 |
| 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 | 55.103 |
| HIERARCH ESO ISS PBL12 END | 54.944 |
| HIERARCH ESO ISS PBLA12 START | 33.9 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 99.183 |
| HIERARCH ESO ISS PBL13 END | 98.814 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 40.7 |
| HIERARCH ESO ISS PBL14 START | 123.442 |
| HIERARCH ESO ISS PBL14 END | 122.577 |
| HIERARCH ESO ISS PBLA14 START | 69.186 |
| HIERARCH ESO ISS PBLA14 END | 69.723 |
| HIERARCH ESO ISS PBL23 START | 44.836 |
| HIERARCH ESO ISS PBL23 END | 44.622 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.5 |
| HIERARCH ESO ISS PBL24 START | 84.706 |
| HIERARCH ESO ISS PBL24 END | 84.065 |
| HIERARCH ESO ISS PBLA24 START | 91.28 |
| HIERARCH ESO ISS PBLA24 END | 91.98 |
| HIERARCH ESO ISS PBL34 START | 60.433 |
| HIERARCH ESO ISS PBL34 END | 60.133 |
| HIERARCH ESO ISS PBLA34 START | 121.827 |
| HIERARCH ESO ISS PBLA34 END | 122.695 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002439 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00197 |
| HIERARCH ESO ISS AMBI TEMP | 8.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |