Exposure
- ID
- GRAVI.2024-06-25T02:37:44.286_2
- Header ID
- GRAVI.2024-06-25T02:37:44.286
- Date updated
- 2024-06-25 02:55:28 UTC+0000
- Release date
- 2025-06-25 02:55:27 UTC+0000
- UTC Start
- 2024-06-25 02:37:44.286
- UTC End
- 2024-06-25 02:43:04.286
- MJD Start
- 60486.10954035
- MJD End
- 60486.1132440537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002977
- Ambient temperature (°C)
- 10.01
- 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 | 56.4610 | 56.4780 | 14.4000 | 15.2000 |
| U1-U3 | 101.9270 | 102.0020 | 20.3000 | 21.1000 |
| U1-U4 | 125.8600 | 126.3790 | 47.2940 | 48.1960 |
| U2-U3 | 46.1380 | 46.2050 | 27.6000 | 28.4000 |
| U2-U4 | 84.2370 | 84.8270 | 68.6450 | 69.4860 |
| U3-U4 | 58.0050 | 58.4860 | 100.1540 | 100.7550 |
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 | 60486.10954035 |
| 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 | 56.461 |
| HIERARCH ESO ISS PBL12 END | 56.478 |
| HIERARCH ESO ISS PBLA12 START | 14.4 |
| HIERARCH ESO ISS PBLA12 END | 15.2 |
| HIERARCH ESO ISS PBL13 START | 101.927 |
| HIERARCH ESO ISS PBL13 END | 102.002 |
| HIERARCH ESO ISS PBLA13 START | 20.3 |
| HIERARCH ESO ISS PBLA13 END | 21.1 |
| HIERARCH ESO ISS PBL14 START | 125.86 |
| HIERARCH ESO ISS PBL14 END | 126.379 |
| HIERARCH ESO ISS PBLA14 START | 47.294 |
| HIERARCH ESO ISS PBLA14 END | 48.196 |
| HIERARCH ESO ISS PBL23 START | 46.138 |
| HIERARCH ESO ISS PBL23 END | 46.205 |
| HIERARCH ESO ISS PBLA23 START | 27.6 |
| HIERARCH ESO ISS PBLA23 END | 28.4 |
| HIERARCH ESO ISS PBL24 START | 84.237 |
| HIERARCH ESO ISS PBL24 END | 84.827 |
| HIERARCH ESO ISS PBLA24 START | 68.645 |
| HIERARCH ESO ISS PBLA24 END | 69.486 |
| HIERARCH ESO ISS PBL34 START | 58.005 |
| HIERARCH ESO ISS PBL34 END | 58.486 |
| HIERARCH ESO ISS PBLA34 START | 100.154 |
| HIERARCH ESO ISS PBLA34 END | 100.755 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002909 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003045 |
| HIERARCH ESO ISS AMBI TEMP | 10.01 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |