Exposure
- ID
- GRAVI.2024-06-26T04:54:41.023_2
- Header ID
- GRAVI.2024-06-26T04:54:41.023
- Date updated
- 2024-06-26 05:10:34 UTC+0000
- Release date
- 2025-06-26 05:10:34 UTC+0000
- UTC Start
- 2024-06-26 04:54:41.023
- UTC End
- 2024-06-26 05:00:41.023
- MJD Start
- 60487.20464147
- MJD End
- 60487.2088081367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002905
- Ambient temperature (°C)
- 11.23
- Seeing (arcsec)
- 0.51
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 | 55.9200 | 55.8080 | 30.6000 | 31.2000 |
| U1-U3 | 101.0810 | 100.8220 | 37.0000 | 37.6000 |
| U1-U4 | 127.8430 | 127.2540 | 65.4400 | 66.1060 |
| U2-U3 | 45.9300 | 45.7820 | 44.8000 | 45.4000 |
| U2-U4 | 87.9440 | 87.5170 | 86.7320 | 87.5030 |
| U3-U4 | 61.9410 | 61.7470 | 116.4550 | 117.3310 |
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 | 60487.20464147 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417093 |
| DEC | -29.00678 |
| 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 | 55.92 |
| HIERARCH ESO ISS PBL12 END | 55.808 |
| HIERARCH ESO ISS PBLA12 START | 30.6 |
| HIERARCH ESO ISS PBLA12 END | 31.2 |
| HIERARCH ESO ISS PBL13 START | 101.081 |
| HIERARCH ESO ISS PBL13 END | 100.822 |
| HIERARCH ESO ISS PBLA13 START | 37.0 |
| HIERARCH ESO ISS PBLA13 END | 37.6 |
| HIERARCH ESO ISS PBL14 START | 127.843 |
| HIERARCH ESO ISS PBL14 END | 127.254 |
| HIERARCH ESO ISS PBLA14 START | 65.44 |
| HIERARCH ESO ISS PBLA14 END | 66.106 |
| HIERARCH ESO ISS PBL23 START | 45.93 |
| HIERARCH ESO ISS PBL23 END | 45.782 |
| HIERARCH ESO ISS PBLA23 START | 44.8 |
| HIERARCH ESO ISS PBLA23 END | 45.4 |
| HIERARCH ESO ISS PBL24 START | 87.944 |
| HIERARCH ESO ISS PBL24 END | 87.517 |
| HIERARCH ESO ISS PBLA24 START | 86.732 |
| HIERARCH ESO ISS PBLA24 END | 87.503 |
| HIERARCH ESO ISS PBL34 START | 61.941 |
| HIERARCH ESO ISS PBL34 END | 61.747 |
| HIERARCH ESO ISS PBLA34 START | 116.455 |
| HIERARCH ESO ISS PBLA34 END | 117.331 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002875 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002935 |
| HIERARCH ESO ISS AMBI TEMP | 11.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |