Exposure
- ID
- GRAVI.2024-06-24T02:02:47.626_2
- Header ID
- GRAVI.2024-06-24T02:02:47.626
- Date updated
- 2024-06-24 02:15:27 UTC+0000
- Release date
- 2025-06-24 02:15:27 UTC+0000
- UTC Start
- 2024-06-24 02:02:47.626
- UTC End
- 2024-06-24 02:08:47.626
- MJD Start
- 60485.08527345
- MJD End
- 60485.0894401167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.77
- Seeing (arcsec)
- 0.64
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 | 56.3340 | 56.3540 | 9.0000 | 9.9000 |
| U1-U3 | 101.3710 | 101.4630 | 14.6000 | 15.6000 |
| U1-U4 | 121.7460 | 122.4790 | 40.5800 | 41.7560 |
| U2-U3 | 45.6280 | 45.7150 | 21.4000 | 22.5000 |
| U2-U4 | 79.4110 | 80.2940 | 62.3680 | 63.4750 |
| U3-U4 | 53.9730 | 54.7270 | 96.0020 | 96.6970 |
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 | 60485.08527345 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416828 |
| DEC | -29.00731 |
| 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 | 56.334 |
| HIERARCH ESO ISS PBL12 END | 56.354 |
| HIERARCH ESO ISS PBLA12 START | 9.0 |
| HIERARCH ESO ISS PBLA12 END | 9.9 |
| HIERARCH ESO ISS PBL13 START | 101.371 |
| HIERARCH ESO ISS PBL13 END | 101.463 |
| HIERARCH ESO ISS PBLA13 START | 14.6 |
| HIERARCH ESO ISS PBLA13 END | 15.6 |
| HIERARCH ESO ISS PBL14 START | 121.746 |
| HIERARCH ESO ISS PBL14 END | 122.479 |
| HIERARCH ESO ISS PBLA14 START | 40.58 |
| HIERARCH ESO ISS PBLA14 END | 41.756 |
| HIERARCH ESO ISS PBL23 START | 45.628 |
| HIERARCH ESO ISS PBL23 END | 45.715 |
| HIERARCH ESO ISS PBLA23 START | 21.4 |
| HIERARCH ESO ISS PBLA23 END | 22.5 |
| HIERARCH ESO ISS PBL24 START | 79.411 |
| HIERARCH ESO ISS PBL24 END | 80.294 |
| HIERARCH ESO ISS PBLA24 START | 62.368 |
| HIERARCH ESO ISS PBLA24 END | 63.475 |
| HIERARCH ESO ISS PBL34 START | 53.973 |
| HIERARCH ESO ISS PBL34 END | 54.727 |
| HIERARCH ESO ISS PBLA34 START | 96.002 |
| HIERARCH ESO ISS PBLA34 END | 96.697 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |