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Playground SQL

SELECT t.name,
       t.ra AS transient_RA,
       t.`dec` AS transient_Dec,
       t.disc_date AS disc_date,
       t.TNS_spec_class AS spec_class,
       t.redshift AS transient_z,
       h.ra AS host_RA,
       h.`dec` AS host_Dec,
       h.redshift AS host_z,
       h.photo_z AS photo_z,
       DEGREES(ACOS(SIN(RADIANS(t.`dec`))*SIN(RADIANS(h.`dec`)) + COS(RADIANS(t.`dec`))*COS(RADIANS(h.`dec`))*COS(RADIANS(ABS(t.ra - h.ra)))))*3600 AS AngSepArcSec,
       (3e+5*COALESCE(t.redshift, h.redshift)/73) AS LuminosityDistanceMpc,
       (3e+5*COALESCE(t.redshift, h.redshift)/73)/POW((1.0 + COALESCE(t.redshift, h.redshift)), 2) AS AngularDiameterDistanceMpc,
       (ACOS(SIN(RADIANS(t.`dec`))*SIN(RADIANS(h.`dec`)) + COS(RADIANS(t.`dec`))*COS(RADIANS(h.`dec`))*COS(RADIANS(ABS(t.ra - h.ra))))*(3e+5*COALESCE(t.redshift, h.redshift)/73)/POW((1.0 + COALESCE(t.redshift, h.redshift)), 2)*1000) AS ProjectedDistKpc
FROM YSE_App_transient t
INNER JOIN YSE_App_host h ON h.id = t.host_id
INNER JOIN YSE_App_transient_tags tt ON tt.transient_id = t.id
INNER JOIN YSE_App_transienttag tg ON tg.id = tt.transienttag_id
WHERE t.host_id IS NOT NULL
  AND (t.redshift
       OR h.redshift OR h.photo_z) IS NOT NULL
  AND COALESCE(t.redshift, h.redshift, h.photo_z) > 0
  AND COALESCE(t.redshift, h.redshift, h.photo_z) <= 0.06
  AND tg.name = 'YSE'
  AND (t.name LIKE '202%' OR t.name LIKE '201%') AND t.TNS_spec_class is NULL AND
  DATEDIFF(curdate(),t.disc_date) < 21

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# Execution time: 292.63 ms

Showing of 3 total rows.

	name	transient_RA	transient_Dec	disc_date	spec_class	transient_z	host_RA	host_Dec	host_z	photo_z	AngSepArcSec	LuminosityDistanceMpc	AngularDiameterDistanceMpc	ProjectedDistKpc

0	2025wsn	36.34936400223976	-7.838860618720368	Sept. 2, 2025, 1:07 p.m.	None	None	36.34684	-7.840074	0.053771	None	10.005384025736474	220.97671232876712	199.0004336694507	9.653007686467511
1	2025xlc	240.68755506210513	25.253992070314883	Sept. 11, 2025, 5:58 a.m.	None	None	240.687759	25.252211	0.047961	None	6.446143408728835	197.1	179.47186796679097	5.608816258070042
2	2025xro	231.4378208333333	-3.6587083333333332	Sept. 15, 2025, 5:34 a.m.	None	None	231.43594622199998	-3.658105392	0.032472	None	7.075989762002344	133.44657534246576	125.1845889156901	4.294503195405712

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