Exposure
- ID
- GRAVI.2024-06-26T02:38:19.677_2
- Header ID
- GRAVI.2024-06-26T02:38:19.677
- Date updated
- 2024-06-26 02:50:31 UTC+0000
- Release date
- 2025-06-26 02:50:31 UTC+0000
- UTC Start
- 2024-06-26 02:38:19.677
- UTC End
- 2024-06-26 02:44:19.677
- MJD Start
- 60487.10994996
- MJD End
- 60487.1141166267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023735
- Ambient temperature (°C)
- 11.22
- Seeing (arcsec)
- 0.65
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 | 56.4750 | 56.4940 | 15.0000 | 15.9000 |
| U1-U3 | 101.9870 | 102.0700 | 21.0000 | 21.9000 |
| U1-U4 | 126.2760 | 126.8420 | 48.0150 | 49.0260 |
| U2-U3 | 46.1920 | 46.2650 | 28.2000 | 29.2000 |
| U2-U4 | 84.7100 | 85.3520 | 69.3170 | 70.2610 |
| U3-U4 | 58.3910 | 58.9120 | 100.6330 | 101.3190 |
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 | 60487.10994996 |
| 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 | 56.475 |
| HIERARCH ESO ISS PBL12 END | 56.494 |
| HIERARCH ESO ISS PBLA12 START | 15.0 |
| HIERARCH ESO ISS PBLA12 END | 15.9 |
| HIERARCH ESO ISS PBL13 START | 101.987 |
| HIERARCH ESO ISS PBL13 END | 102.07 |
| HIERARCH ESO ISS PBLA13 START | 21.0 |
| HIERARCH ESO ISS PBLA13 END | 21.9 |
| HIERARCH ESO ISS PBL14 START | 126.276 |
| HIERARCH ESO ISS PBL14 END | 126.842 |
| HIERARCH ESO ISS PBLA14 START | 48.015 |
| HIERARCH ESO ISS PBLA14 END | 49.026 |
| HIERARCH ESO ISS PBL23 START | 46.192 |
| HIERARCH ESO ISS PBL23 END | 46.265 |
| HIERARCH ESO ISS PBLA23 START | 28.2 |
| HIERARCH ESO ISS PBLA23 END | 29.2 |
| HIERARCH ESO ISS PBL24 START | 84.71 |
| HIERARCH ESO ISS PBL24 END | 85.352 |
| HIERARCH ESO ISS PBLA24 START | 69.317 |
| HIERARCH ESO ISS PBLA24 END | 70.261 |
| HIERARCH ESO ISS PBL34 START | 58.391 |
| HIERARCH ESO ISS PBL34 END | 58.912 |
| HIERARCH ESO ISS PBLA34 START | 100.633 |
| HIERARCH ESO ISS PBLA34 END | 101.319 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002236 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002511 |
| HIERARCH ESO ISS AMBI TEMP | 11.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |