Exposure
- ID
- GRAVI.2024-06-25T02:18:02.237_2
- Header ID
- GRAVI.2024-06-25T02:18:02.237
- Date updated
- 2024-06-25 02:35:31 UTC+0000
- Release date
- 2025-06-25 02:35:31 UTC+0000
- UTC Start
- 2024-06-25 02:18:02.237
- UTC End
- 2024-06-25 02:23:22.237
- MJD Start
- 60486.09585922
- MJD End
- 60486.0995629237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028615
- Ambient temperature (°C)
- 10.04
- Seeing (arcsec)
- 0.745
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 | 56.3950 | 56.4140 | 11.7000 | 12.5000 |
| U1-U3 | 101.6490 | 101.7310 | 17.5000 | 18.3000 |
| U1-U4 | 123.8800 | 124.4750 | 44.0090 | 44.9770 |
| U2-U3 | 45.8860 | 45.9610 | 24.5000 | 25.4000 |
| U2-U4 | 81.9510 | 82.6440 | 65.5830 | 66.4870 |
| U3-U4 | 56.1210 | 56.6960 | 98.0610 | 98.6640 |
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 | 60486.09585922 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416918 |
| DEC | -29.00728 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.395 |
| HIERARCH ESO ISS PBL12 END | 56.414 |
| HIERARCH ESO ISS PBLA12 START | 11.7 |
| HIERARCH ESO ISS PBLA12 END | 12.5 |
| HIERARCH ESO ISS PBL13 START | 101.649 |
| HIERARCH ESO ISS PBL13 END | 101.731 |
| HIERARCH ESO ISS PBLA13 START | 17.5 |
| HIERARCH ESO ISS PBLA13 END | 18.3 |
| HIERARCH ESO ISS PBL14 START | 123.88 |
| HIERARCH ESO ISS PBL14 END | 124.475 |
| HIERARCH ESO ISS PBLA14 START | 44.009 |
| HIERARCH ESO ISS PBLA14 END | 44.977 |
| HIERARCH ESO ISS PBL23 START | 45.886 |
| HIERARCH ESO ISS PBL23 END | 45.961 |
| HIERARCH ESO ISS PBLA23 START | 24.5 |
| HIERARCH ESO ISS PBLA23 END | 25.4 |
| HIERARCH ESO ISS PBL24 START | 81.951 |
| HIERARCH ESO ISS PBL24 END | 82.644 |
| HIERARCH ESO ISS PBLA24 START | 65.583 |
| HIERARCH ESO ISS PBLA24 END | 66.487 |
| HIERARCH ESO ISS PBL34 START | 56.121 |
| HIERARCH ESO ISS PBL34 END | 56.696 |
| HIERARCH ESO ISS PBLA34 START | 98.061 |
| HIERARCH ESO ISS PBLA34 END | 98.664 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00293 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002793 |
| HIERARCH ESO ISS AMBI TEMP | 10.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |