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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: 573.46 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	2025swk	216.04820223337788	23.91295424957648	Aug. 1, 2025, 6:36 a.m.	None	None	216.048458333	23.91189	0.0358103	None	3.92290617265344	147.16561643835615	137.1658197551675	2.6087273480382724
1	2025sry	239.9978761158815	54.58793158265737	July 31, 2025, 7:36 a.m.	None	None	239.99781910831274	54.58827113464493	0.0578769	None	1.2281578504039714	237.85027397260274	212.53643332914723	1.2655008570747246
2	2025tle	243.8344980609057	5.5682289403979635	Aug. 9, 2025, 6:48 a.m.	None	None	243.83440825399998	5.566943242	0.0586851	None	4.639686445438742	241.17164383561644	215.17541135644095	4.840120123382602

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