Exposure
- ID
- GRAVI.2024-06-24T03:03:41.781_2
- Header ID
- GRAVI.2024-06-24T03:03:41.781
- Date updated
- 2024-06-24 03:20:34 UTC+0000
- Release date
- 2025-06-24 03:20:34 UTC+0000
- UTC Start
- 2024-06-24 03:03:41.781
- UTC End
- 2024-06-24 03:09:41.781
- MJD Start
- 60485.12756691
- MJD End
- 60485.1317335767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.38
- Seeing (arcsec)
- 0.59
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 | 56.5230 | 56.5360 | 17.3000 | 18.1000 |
| U1-U3 | 102.1960 | 102.2610 | 23.4000 | 24.2000 |
| U1-U4 | 127.7250 | 128.1890 | 50.7060 | 51.6590 |
| U2-U3 | 46.3790 | 46.4390 | 30.8000 | 31.7000 |
| U2-U4 | 86.3490 | 86.8720 | 71.8340 | 72.7300 |
| U3-U4 | 59.7200 | 60.1440 | 102.4980 | 103.1910 |
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 | 60485.12756691 |
| 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 | 56.523 |
| HIERARCH ESO ISS PBL12 END | 56.536 |
| HIERARCH ESO ISS PBLA12 START | 17.3 |
| HIERARCH ESO ISS PBLA12 END | 18.1 |
| HIERARCH ESO ISS PBL13 START | 102.196 |
| HIERARCH ESO ISS PBL13 END | 102.261 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.2 |
| HIERARCH ESO ISS PBL14 START | 127.725 |
| HIERARCH ESO ISS PBL14 END | 128.189 |
| HIERARCH ESO ISS PBLA14 START | 50.706 |
| HIERARCH ESO ISS PBLA14 END | 51.659 |
| HIERARCH ESO ISS PBL23 START | 46.379 |
| HIERARCH ESO ISS PBL23 END | 46.439 |
| HIERARCH ESO ISS PBLA23 START | 30.8 |
| HIERARCH ESO ISS PBLA23 END | 31.7 |
| HIERARCH ESO ISS PBL24 START | 86.349 |
| HIERARCH ESO ISS PBL24 END | 86.872 |
| HIERARCH ESO ISS PBLA24 START | 71.834 |
| HIERARCH ESO ISS PBLA24 END | 72.73 |
| HIERARCH ESO ISS PBL34 START | 59.72 |
| HIERARCH ESO ISS PBL34 END | 60.144 |
| HIERARCH ESO ISS PBLA34 START | 102.498 |
| HIERARCH ESO ISS PBLA34 END | 103.191 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |