Exposure
- ID
- GRAVI.2024-07-25T04:07:49.101_2
- Header ID
- GRAVI.2024-07-25T04:07:49.101
- Date updated
- 2024-07-25 04:25:30 UTC+0000
- Release date
- 2025-07-25 04:25:29 UTC+0000
- UTC Start
- 2024-07-25 04:07:49.101
- UTC End
- 2024-07-25 04:14:29.101
- MJD Start
- 60516.17209608
- MJD End
- 60516.1767257096
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003219
- Ambient temperature (°C)
- 13.21
- Seeing (arcsec)
- 0.695
Observation
- ID
- 60143
- Category
- science
- Program ID
- 113.268P.004
- 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
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 54.1610 | 53.8990 | 36.0000 | 36.5000 |
| U1-U3 | 96.9970 | 96.3910 | 42.4000 | 42.8000 |
| U1-U4 | 118.3320 | 116.9240 | 71.9290 | 72.5520 |
| U2-U3 | 43.5740 | 43.2250 | 50.2000 | 50.7000 |
| U2-U4 | 80.9370 | 79.9060 | 95.0210 | 95.9340 |
| U3-U4 | 58.6910 | 58.2260 | 126.5630 | 127.7500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60516.17209608 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.417088 |
| DEC | -29.0074 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 54.161 |
| HIERARCH ESO ISS PBL12 END | 53.899 |
| HIERARCH ESO ISS PBLA12 START | 36.0 |
| HIERARCH ESO ISS PBLA12 END | 36.5 |
| HIERARCH ESO ISS PBL13 START | 96.997 |
| HIERARCH ESO ISS PBL13 END | 96.391 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.8 |
| HIERARCH ESO ISS PBL14 START | 118.332 |
| HIERARCH ESO ISS PBL14 END | 116.924 |
| HIERARCH ESO ISS PBLA14 START | 71.929 |
| HIERARCH ESO ISS PBLA14 END | 72.552 |
| HIERARCH ESO ISS PBL23 START | 43.574 |
| HIERARCH ESO ISS PBL23 END | 43.225 |
| HIERARCH ESO ISS PBLA23 START | 50.2 |
| HIERARCH ESO ISS PBLA23 END | 50.7 |
| HIERARCH ESO ISS PBL24 START | 80.937 |
| HIERARCH ESO ISS PBL24 END | 79.906 |
| HIERARCH ESO ISS PBLA24 START | 95.021 |
| HIERARCH ESO ISS PBLA24 END | 95.934 |
| HIERARCH ESO ISS PBL34 START | 58.691 |
| HIERARCH ESO ISS PBL34 END | 58.226 |
| HIERARCH ESO ISS PBLA34 START | 126.563 |
| HIERARCH ESO ISS PBLA34 END | 127.75 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003284 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003154 |
| HIERARCH ESO ISS AMBI TEMP | 13.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |