Exposure
- ID
- GRAVI.2024-07-17T23:38:59.946_2
- Header ID
- GRAVI.2024-07-17T23:38:59.946
- Date updated
- 2024-07-18 04:45:24 UTC+0000
- Release date
- 2025-07-18 04:45:23 UTC+0000
- UTC Start
- 2024-07-17 23:38:59.946
- UTC End
- 2024-07-17 23:45:39.946
- MJD Start
- 60508.98541604
- MJD End
- 60508.9900456696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00954
- Ambient temperature (°C)
- 17.87
- Seeing (arcsec)
- 0.475
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 | 56.2330 | 56.2400 | 1.9000 | 2.9000 |
| U1-U3 | 100.7910 | 100.8520 | 6.8000 | 7.9000 |
| U1-U4 | 115.9240 | 116.7340 | 30.6350 | 32.1340 |
| U2-U3 | 45.0160 | 45.0910 | 12.9000 | 14.1000 |
| U2-U4 | 71.8650 | 72.9850 | 52.7050 | 54.2070 |
| U3-U4 | 47.1170 | 48.1900 | 90.4120 | 91.2390 |
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 | 60508.98541604 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.416885 |
| DEC | -29.0075 |
| 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 | 56.233 |
| HIERARCH ESO ISS PBL12 END | 56.24 |
| HIERARCH ESO ISS PBLA12 START | 1.9 |
| HIERARCH ESO ISS PBLA12 END | 2.9 |
| HIERARCH ESO ISS PBL13 START | 100.791 |
| HIERARCH ESO ISS PBL13 END | 100.852 |
| HIERARCH ESO ISS PBLA13 START | 6.8 |
| HIERARCH ESO ISS PBLA13 END | 7.9 |
| HIERARCH ESO ISS PBL14 START | 115.924 |
| HIERARCH ESO ISS PBL14 END | 116.734 |
| HIERARCH ESO ISS PBLA14 START | 30.635 |
| HIERARCH ESO ISS PBLA14 END | 32.134 |
| HIERARCH ESO ISS PBL23 START | 45.016 |
| HIERARCH ESO ISS PBL23 END | 45.091 |
| HIERARCH ESO ISS PBLA23 START | 12.9 |
| HIERARCH ESO ISS PBLA23 END | 14.1 |
| HIERARCH ESO ISS PBL24 START | 71.865 |
| HIERARCH ESO ISS PBL24 END | 72.985 |
| HIERARCH ESO ISS PBLA24 START | 52.705 |
| HIERARCH ESO ISS PBLA24 END | 54.207 |
| HIERARCH ESO ISS PBL34 START | 47.117 |
| HIERARCH ESO ISS PBL34 END | 48.19 |
| HIERARCH ESO ISS PBLA34 START | 90.412 |
| HIERARCH ESO ISS PBLA34 END | 91.239 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008954 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010126 |
| HIERARCH ESO ISS AMBI TEMP | 17.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |