Exposure
- ID
- GRAVI.2024-04-27T07:01:08.203_2
- Header ID
- GRAVI.2024-04-27T07:01:08.203
- Date updated
- 2024-04-27 07:15:25 UTC+0000
- Release date
- 2025-04-27 07:15:25 UTC+0000
- UTC Start
- 2024-04-27 07:01:08.203
- UTC End
- 2024-04-27 07:07:08.203
- MJD Start
- 60427.29245605
- MJD End
- 60427.2966227167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003961
- Ambient temperature (°C)
- 17.44
- Seeing (arcsec)
- 0.9
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- 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 | 56.5420 | 56.5510 | 18.5000 | 19.3000 |
| U1-U3 | 102.2870 | 102.3390 | 24.6000 | 25.5000 |
| U1-U4 | 128.3870 | 128.7880 | 52.0880 | 53.0120 |
| U2-U3 | 46.4640 | 46.5140 | 32.1000 | 33.0000 |
| U2-U4 | 87.0970 | 87.5530 | 73.1360 | 74.0120 |
| U3-U4 | 60.3270 | 60.6990 | 103.5110 | 104.2100 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60427.29245605 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416838 |
| DEC | -29.00734 |
| 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 | 56.542 |
| HIERARCH ESO ISS PBL12 END | 56.551 |
| HIERARCH ESO ISS PBLA12 START | 18.5 |
| HIERARCH ESO ISS PBLA12 END | 19.3 |
| HIERARCH ESO ISS PBL13 START | 102.287 |
| HIERARCH ESO ISS PBL13 END | 102.339 |
| HIERARCH ESO ISS PBLA13 START | 24.6 |
| HIERARCH ESO ISS PBLA13 END | 25.5 |
| HIERARCH ESO ISS PBL14 START | 128.387 |
| HIERARCH ESO ISS PBL14 END | 128.788 |
| HIERARCH ESO ISS PBLA14 START | 52.088 |
| HIERARCH ESO ISS PBLA14 END | 53.012 |
| HIERARCH ESO ISS PBL23 START | 46.464 |
| HIERARCH ESO ISS PBL23 END | 46.514 |
| HIERARCH ESO ISS PBLA23 START | 32.1 |
| HIERARCH ESO ISS PBLA23 END | 33.0 |
| HIERARCH ESO ISS PBL24 START | 87.097 |
| HIERARCH ESO ISS PBL24 END | 87.553 |
| HIERARCH ESO ISS PBLA24 START | 73.136 |
| HIERARCH ESO ISS PBLA24 END | 74.012 |
| HIERARCH ESO ISS PBL34 START | 60.327 |
| HIERARCH ESO ISS PBL34 END | 60.699 |
| HIERARCH ESO ISS PBLA34 START | 103.511 |
| HIERARCH ESO ISS PBLA34 END | 104.21 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003969 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003953 |
| HIERARCH ESO ISS AMBI TEMP | 17.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.84 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |